CN215811371U

CN215811371U - Electromagnetic brake detection platform

Info

Publication number: CN215811371U
Application number: CN202122088209.6U
Authority: CN
Inventors: 巫晟逸; 夏从礼; 林柳叶; 罗中伦
Original assignee: TSE TECHNOLOGY (NINGBO) CO LTD
Current assignee: TSE TECHNOLOGY (NINGBO) CO LTD
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-11
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to an electromagnetic brake detection platform which comprises a platform base and a load turntable, wherein a torsion sensor is installed at the upper end of the platform base, a driving motor is installed at the upper end of the platform base, which is positioned on the left side of the torsion sensor, a bearing seat which slides transversely is installed at the upper end of the platform base, which is positioned on the right side of the torsion sensor, an output shaft of the driving motor is connected with the torsion sensor, a central shaft is rotatably installed in the bearing seat, one end of the central shaft is connected with the torsion sensor, the electromagnetic brake is installed on the outer side of the bearing seat, the electromagnetic brake is also connected with the central shaft, and the load turntable is connected with the electromagnetic brake. Aiming at torque detection of a thin non-excitation electromagnetic brake in static and dynamic friction states, the platform of the utility model can simply replace the brake, and can test torque values under different loads to be used as a design reference of the machine flashlight electromagnetic brake.

Description

Electromagnetic brake detection platform

Technical Field

The utility model relates to the technical field of robot joint braking, in particular to an electromagnetic brake detection platform.

Background

Due to rapid development of the industry, the robot industry is becoming more and more widespread, wherein the use of multi-axis robots is the most, and the key of multi-axis robots lies in the design and application of the shaft joint, the miniaturization and flattening design of each component is particularly important, for example, in patent CN 211778680U, the size of the whole electromagnetic brake is reduced by using an ultra-thin friction plate, so as to achieve miniaturization. How to develop and design a miniaturized and thinned electromagnetic brake is inevitable.

The patent CN 107300443B, "a novel industrial robot servo motor braking torque test bed and test method", provides a test platform for the braking torque of a servo motor, which can perform test simulation at different environmental temperatures, and provides a design reference for the servo motor, but the patent does not address the braking torque test of an electromagnetic brake.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an electromagnetic brake detection platform, aiming at torque detection of a thin non-excitation electromagnetic brake in static and dynamic friction states, the platform can simply replace the brake, can test torque values under different loads and is used as a design reference of a machine flashlight electromagnetic brake.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electromagnetic brake testing platform, includes platform base and load carousel, platform base upper end install torque sensor, this platform base upper end is located torque sensor's left side and installs driving motor, platform base upper end be located torque sensor's right side and install lateral sliding's bearing frame, driving motor's output shaft link to each other with torque sensor, the bearing frame internal rotation install a center pin, this center pin one end links to each other with torque sensor, electromagnetic brake install in the outside of bearing frame, this electromagnetic brake still links to each other with the center pin, load carousel and electromagnetic brake link to each other.

As a supplement to the technical solution of the present invention, the driving motor is fixed on the platform base through the motor base.

As a supplement to the technical scheme of the utility model, two slide rails are arranged in parallel at the upper end of the platform base on the right side of the torsion sensor, and the bearing seat is slidably mounted on the two slide rails.

As a supplement to the technical scheme of the utility model, an output shaft of the driving motor is connected with one end of the torque sensor through a first coupler, and the other end of the torque sensor is connected with the central shaft through a second coupler.

As a supplement to the technical scheme of the utility model, a plurality of hole groups are arranged on the end face of the load turntable around the circumference, and each hole group comprises a plurality of screw hole positions.

As a supplement to the technical solution of the present invention, the electromagnetic brake is fixedly mounted on the bearing seat by a fixing screw.

As a supplement to the technical solution of the present invention, the driving motor is a servo motor.

Has the advantages that: the utility model relates to an electromagnetic brake detection platform, which has the following advantages:

1. the detection platform is designed according to the working principle of the non-excitation electromagnetic brake;

2. the torque detection of the thin brake is convenient to disassemble, assemble and replace, and different load states can be detected;

3. the torque detection can be divided into two main states of static friction and dynamic friction, and the design requirement of the electromagnetic brake can be fully met;

4. the load rotary disc can be easily replaced with a brake design and the load can be increased or decreased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the utility model at FIG. 1A;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic structural view of a bearing seat and an electromagnetic brake according to the present invention;

FIG. 5 is a schematic structural diagram of a load carousel according to the present invention;

FIG. 6 is a static friction brake test graph of the present invention;

FIG. 7 is a dynamic friction brake test curve of the present invention;

FIG. 8 is a test flow diagram of the present invention.

The figure is as follows: 1. platform base, 2, motor base, 3, driving motor, 4, first shaft coupling, 5, torque sensor, 6, second shaft coupling, 7, slide rail, 8, bearing frame, 9, load carousel, 10, electromagnetic braking ware, 11, hole site group, 12, set screw, 13, lead wire.

Detailed Description

The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The embodiment of the utility model relates to an electromagnetic brake detection platform, which comprises a platform base 1 and a load turntable 9, wherein a torsion sensor 5 is installed at the upper end of the platform base 1, a driving motor 3 is installed at the upper end of the platform base 1, which is positioned at the left side of the torsion sensor 5, a bearing seat 8 which slides transversely is installed at the upper end of the platform base 1, which is positioned at the right side of the torsion sensor 5, an output shaft of the driving motor 3 is connected with the torsion sensor 5, a central shaft is rotatably installed in the bearing seat 8, one end of the central shaft is connected with the torsion sensor 5, the electromagnetic brake 10 is installed at the outer side of the bearing seat 8, the electromagnetic brake 10 is further connected with the central shaft, and the load turntable 9 is connected with the electromagnetic brake 10.

The electromagnetic brake 10 is connected with a power supply through a lead 13, and controls a power switch to realize the on-off of the electromagnetic brake 10. The torque sensor 5, the electromagnetic brake 10 and the driving motor 3 are connected with a display, a computer and the like, so that data acquisition and drawing are realized.

The structure of the electromagnetic brake 10 can be referred to prior art patent No. CN 201520668002.8, entitled electromagnetic brake. The electromagnetic brake 10 is used for braking by attracting an armature through a magnetic yoke, the magnetic yoke part of the electromagnetic brake 10 is fixed on the outer side of the bearing seat 8, the armature part of the electromagnetic brake 10 is fixed on a central shaft, and the load rotary disc 9 is fixed on the armature part of the electromagnetic brake 10. The electromagnetic brake 10 is disconnected, the electromagnetic brake 10 is in a braking state, the armature is attracted by the magnetic yoke, the electromagnetic brake 10 is connected, the electromagnetic brake 10 is in a release state, and the magnetic yoke is separated from the armature.

The driving motor 3 is fixed on the platform base 1 through the motor base 2.

Two sliding rails 7 are arranged on the right side of the torsion sensor 5 at the upper end of the platform base 1 in parallel, and the bearing seat 8 is slidably mounted on the two sliding rails 7.

The output shaft of the driving motor 3 is connected with one end of a torque sensor 5 through a first coupler 4, and the other end of the torque sensor 5 is connected with a central shaft through a second coupler 6.

The end face of the load turntable 9 is provided with a plurality of hole position groups 11 around the circumference, each hole position group 11 comprises a plurality of screw hole positions, the load turntable 9 is provided with the hole position groups 11 at different positions, different load weights and different diameter lengths can be set according to requirements, and a load is connected with the load turntable 9 through screws.

The yoke part of the electromagnetic brake 10 is fixedly mounted on the bearing seat 8 through a fixing screw 12. The thin electromagnetic brake 10 is mounted on the bearing seat, can be easily mounted and dismounted by using the fixing screws 12, is convenient for the quick dismounting and mounting of the electromagnetic brake 10, and can be matched with the sliding slide rail 7 to move along the axial direction, so that the dismounting and mounting are convenient.

The driving motor 3 adopts a servo motor.

Fig. 8 shows that the process includes two test modes of static friction torque and dynamic friction torque, the two test modes can be subdivided into a motor rotation speed mode and a motor torque mode, and can be set as a rotation speed or torque mode according to requirements, if the static friction rotation speed or torque mode is selected for testing, the driving motor 3 is switched on, the electromagnetic brake 10 is switched off, the brake is kept at the moment, the motor shaft is in a static friction state, the motor current is gradually increased, the motor rotation speed or torque is increased, the electromagnetic brake 10 is switched on, the motor shaft is released instantly, and starts to rotate, and data are acquired and mapped through a data acquisition card.

If a dynamic friction rotating speed or torque mode is selected, the driving motor 3 is firstly switched on, the electromagnetic brake 10 is switched on, the brake is loosened, the motor shaft is in a dynamic friction state, the motor current is gradually increased, the rotating speed or torque of the motor is increased, the electromagnetic brake 10 is switched off and is kept instantly, the motor rotates statically, and data are acquired through a data acquisition card and are drawn.

Fig. 6 is a static friction brake test graph, fig. 6(a) is a rotation speed versus time graph, fig. 6(b) is an electromagnetic brake torque versus time graph, when the electromagnetic brake 10 is disconnected, the brake is kept, the torque value is gradually increased, after the peak value is reached, the electromagnetic brake 10 is connected, the brake is released, and the torque value is close to zero instantly.

Fig. 7 is a dynamic friction braking test curve, fig. 7(a) is a diagram of rotation speed versus time, fig. 7(b) is a diagram of electromagnetic brake torque versus time, when the electromagnetic brake 10 is on, the brake is released, the torque value is zero, after the motor rotation speed gradually increases to a peak value, the electromagnetic brake 10 is off, the brake is instantly maintained, the rotation speed instantly returns to zero, and the torque value instantly approaches to a maximum.

Claims

1. An electromagnetic brake testing platform which is characterized in that: including platform base (1) and load carousel (9), platform base (1) upper end install torque sensor (5), driving motor (3) are installed in the left side that this platform base (1) upper end is located torque sensor (5), platform base (1) upper end be located the right side of torque sensor (5) and install lateral sliding's bearing frame (8), the output shaft of driving motor (3) link to each other with torque sensor (5), bearing frame (8) internal rotation install a center pin, this center pin one end links to each other with torque sensor (5), electromagnetic braking ware (10) install in the outside of bearing frame (8), this electromagnetic braking ware (10) still link to each other with the center pin, load carousel (9) link to each other with electromagnetic braking ware (10).

2. An electromagnetic brake testing platform according to claim 1, characterized in that: the driving motor (3) is fixed on the platform base (1) through the motor base (2).

3. An electromagnetic brake testing platform according to claim 1, characterized in that: the upper end of the platform base (1) is located on the right side of the torsion sensor (5) and is provided with two sliding rails (7) in parallel, and the bearing seat (8) is slidably mounted on the two sliding rails (7).

4. An electromagnetic brake testing platform according to claim 1, characterized in that: the output shaft of the driving motor (3) is connected with one end of a torque sensor (5) through a first coupler (4), and the other end of the torque sensor (5) is connected with a central shaft through a second coupler (6).

5. An electromagnetic brake testing platform according to claim 1, characterized in that: a plurality of hole position groups (11) are arranged on the end face of the load turntable (9) around the circumference, and each hole position group (11) comprises a plurality of screw hole positions.

6. An electromagnetic brake testing platform according to claim 1, characterized in that: the electromagnetic brake (10) is fixedly arranged on the bearing seat (8) through a fixing screw (12).

7. An electromagnetic brake testing platform according to claim 1, characterized in that: the driving motor (3) adopts a servo motor.