CN217980614U - Motor static friction moment detection device for small-sized actuating mechanism - Google Patents

Abstract

The utility model relates to an actuating mechanism static friction moment detects technical field, specifically discloses small-size actuating mechanism is with motor static friction moment detection device, including supporting part, lever, counter weight portion and drive division, the mid-mounting of supporting part has the drive division, the mid-mounting of the output shaft of drive division has the lever, the through-hole with the butt joint of counter weight portion is all seted up at one side both ends of lever, the one end of counter weight portion is connected with the lever through butt joint spare; the utility model discloses a drive division that the supporting part cooperation that sets up set up can restrict the drive division when the combination is used, lets the drive division keep better use needs, and the steady portion of keeping that sets up simultaneously and the supporting part that sets up let the device examine time measuring to electronic executive component, can keep better stability, satisfy the needs that use.

Description

Motor static friction moment detection device for small-sized actuating mechanism

Technical Field

The utility model relates to an actuating mechanism stiction moment detects technical field, specifically is a small-size motor stiction moment detection device for actuating mechanism.

Background

In a small electric actuator, only a motor with smaller volume and power can be used due to limited volume and space, and a larger reduction ratio is configured for obtaining a larger output torque finally. The large reduction ratio enables a smaller motor torque to obtain a larger output torque of the actuating mechanism, but in turn, in the manual power-off process, a larger manual torque is needed to drive the motor and the output shaft to rotate simultaneously.

Therefore, specifying and controlling the static friction torque of the actuator motor (the resisting torque that must be overcome to start the rotor rotation at any position when the motor windings are open) is one of the main methods to solve the above problems.

When the static friction moment is controlled, the static friction moment needs to be detected, a general detection mode can adopt the combination between the balancing weight and the lever for convenience, so as to realize the detection of the actuating mechanism, and the detection finds that the static friction force of the actuating mechanism does not correspond to the balancing weight one to one, so that the weight of the balancing weight needs to be adjusted under different use conditions during the detection, and the existing adjustment mode is realized by replacing the balancing weight, but the change mode causes the weight change of the balancing weight to be overlarge, so that the detection record is not accurate enough, and therefore the motor static friction moment detection device for the small actuating mechanism is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor static friction moment detection device for small-size actuating mechanism for solve the problem that above-mentioned background art provided.

The motor static friction moment detection device for the small actuating mechanism of the utility model comprises a supporting part, a lever, a counterweight part and a driving part,

the middle part of the supporting part is provided with a driving part, the middle part of an output shaft of the driving part is provided with a lever, through holes butted with the counterweight part are formed in two ends of one side of the lever, and one end of the counterweight part is connected with the lever through a butting piece.

Through the design of the technical scheme, the lever which is arranged by matching the counterweight part can be combined with the output shaft of the driving part, so that the detection requirement on the static friction moment is met, and the counterweight part and the arranged lever can be connected more stably by the aid of the butt joint piece arranged at the same time.

As a further improvement, two of the bottom fixedly connected with portions of the supporting portion are symmetrically disposed and stably held for fixing the supporting portion.

Through the design of the technical scheme, the supporting part can be better combined with the driving part to be used by utilizing the stable holding part.

As a further improvement, the mid-mounting of supporting part has a pair of combination portion that is the symmetry setting with the drive division, the outside sliding connection of combination portion has the portion of cup jointing, the outside looks adaptation of portion of cup jointing and drive division.

Through the design of the technical scheme, the combination part is matched with the sleeve joint part, so that the installation of the driving part can be more stable, and the use requirement is met.

As a further improvement of the utility model, two connect through hasp looks joint between the portion of cup jointing.

As a further improvement, the inner side of the counterweight part is provided with a placing hole, the positioning piece is installed on the inner side of the placing hole, and the counterweight part is installed on the placing hole through the positioning piece.

Through the design of above-mentioned technical scheme, utilize the counter weight portion that the weight increase piece cooperation that sets up, the weight of increase counter weight portion that can be even lets the stiction moment of drive division detect more accurate.

As a further improvement of the utility model, two sets of rib of inboard fixedly connected with of supporting part, two the rib is symmetry and slope setting.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a drive division that the supporting part cooperation that sets up set up, can be when the combination is used, restrict the drive division, let the drive division keep better use needs, the steady portion of holding that sets up simultaneously and the supporting part that sets up, let the device examine time measuring to electronic executive component, can keep better stability, satisfy the needs of using, the combination between the counter weight portion that sets up simultaneously and the weight increasing piece that sets up, can satisfy the use needs of examining time measuring to electronic actuating mechanism, and the use of weight increasing piece, can be when using, reasonable and stable weight that increases counter weight portion, thereby satisfy the use needs of different electronic executive component, satisfy the detection of the static friction moment of high accuracy, improve the result of detecting.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the assembly structure of the supporting portion and the driving portion of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the counterweight part of the present invention;

FIG. 3 is a schematic sectional view of the counterweight part of the present invention;

FIG. 4 is a front view of the supporting portion and the driving portion of the present invention;

fig. 5 is a schematic view of another three-dimensional structure of the counterweight part of the present invention.

In the figure: 1. a support portion; 2. a counterweight portion; 3. a holding portion; 4. a reinforcing portion; 5. a combining section; 6. a socket joint part; 7. a drive section; 8. a weight increasing member; 9. placing the hole; 10. a docking member; 11. a lever.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1;

please refer to fig. 1-4:

the utility model provides a motor static friction moment detection device for a small actuating mechanism, which comprises a supporting part 1, a lever 11, a counterweight part 2 and a driving part 7,

a driving part 7 is arranged in the middle of the supporting part 1, a lever 11 is arranged in the middle of an output shaft of the driving part 7, through holes which are butted with the counterweight part 2 are arranged at two ends of one side of the lever 11, one end of the counterweight part 2 is connected with the lever 11 through a butting piece 10, so that the lever 11 and the counterweight part are combined together,

utilize the lever 11 that the cooperation of the counter weight portion 2 that sets up set up to combine with the output shaft of drive division 7, thereby realize the detection needs to the static friction moment, the butt joint piece 10 that sets up simultaneously, can let counter weight portion 2 and the lever 11 that sets up be connected more stable, when detecting, only need keep the pivot and the lever 11 horizontal position of drive division 7, under the condition of not having other external force interference, if lever 11 keeps horizontal position motionless, then motor static friction moment is too big, if lever 11 takes place to rotate, then satisfy the requirement.

In order to keep the use stability of the supporting part 1, two symmetrically arranged stabilizing parts 3 can be fixedly connected to the bottom of the supporting part 1 for fixing the supporting part 1, the arranged supporting part 1 can be better combined with a driving part 7 for use by utilizing the stabilizing parts 3, and the stabilizing parts 3 are common parts used for maintaining stability in the mechanical field, such as bolts and nuts, suckers, magnetic suction blocks and the like, and are preferably suckers in view of the simplicity of installation and the stability of connection;

for the installation stability who keeps drive division 7, can be at the mid-mounting of supporting part 1 have a pair ofly be the combination portion 5 that the symmetry set up with drive division 7, have a portion 6 of cup jointing in combination portion 5's outside sliding connection moreover, the portion 6 of cup jointing is mutually adapted with the outside of drive division 7, utilizes the combination portion 5 cooperation portion 6 of cup jointing that sets up, lets the installation of drive division 7 stable more to satisfy the needs that use, and two through hasp looks joint between the portion 6 of cup jointing, can fix the drive division 7 that sets up, in order to satisfy the needs of use of drive division 7, combination portion 5 is common spare part in the mechanical field, for example the lantern ring, connection frame etc. can preferably the lantern ring that combines here.

The inboard of counter weight portion 2 is equipped with arrangement hole 9, the setting element is installed to arrangement hole 9's inboard, arrangement hole 9 installs through the setting element and increases heavy piece 8, utilizes the counter weight portion 2 that increases heavy piece 8 cooperation setting that sets up, and the weight that increases counter weight portion 2 that can be even lets the static friction moment of drive division 7 detect more accurate.

In order to ensure the stability of the inner side of the supporting portion 1, two sets of reinforcing portions 4 may be fixedly connected to the inner side of the supporting portion 1, the two reinforcing portions 4 are symmetrically and obliquely arranged, the reinforcing portions 4 are common components in the mechanical field, such as reinforcing ribs, reinforcing rods, and the like, and are preferably reinforcing ribs arranged by welding from the design point of view.

Example 2:

please refer to fig. 5:

this embodiment still provides another kind of small-size for actuating mechanism motor static friction moment detection device, it is including installing counter weight portion 2 on drive division 7, annular groove has been seted up in counter weight portion 2's the outside, and be connected with the weight portion that increases of cyclic annular setting, in this embodiment, the weight 8 that sets up is installed in counter weight portion 2's the outside, and through the mode of joint and the combination of counter weight portion 2, the effect of carrying out weight change to counter weight portion 2 has been realized, the precision of the static friction moment of drive division 7 is tested in the improvement, simultaneously, the quality of weight 8 is adjustable, can increase or reduce according to the in service behavior of difference, the detection needs of the static friction moment of drive division 7 up to realizing.

Counterweight 2 is the common spare part that is used for increasing weight and uses in the machinery field, can constitute for one or more parts, for example weight, balancing weight etc. from the angle of design and the stability of connecting consideration, preferably balancing weight, balancing weight this moment has multiple form, and the inboard can be the fretwork setting, and its outside also can be sunken setting for make up with the piece 8 that increases that sets up, the piece 8 that increases weight here is the part of making with the same kind of material of different counterweight 2 adaptations, for example increase weight ring, the pole etc. that increases weight of standard.

The above description is only for the embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a small-size for actuating mechanism motor static friction moment detection device which characterized in that: comprises a supporting part (1), a lever (11), a counterweight part (2) and a driving part (7),

the middle part of supporting part (1) is installed drive division (7), the output shaft mid-mounting of drive division (7) has lever (11), the through-hole with counter weight portion (2) butt joint is all seted up at one side both ends of lever (11), the one end of counter weight portion (2) is connected with lever (11) through butt joint spare (10).

2. The apparatus for detecting static friction torque of a motor for a small actuator according to claim 1, wherein: the bottom fixedly connected with of supporting part (1) is two steady portions of holding (3) that are the symmetry and set up for fix supporting part (1).

3. The apparatus for detecting static friction torque of a motor for a small actuator according to claim 1, wherein: the middle part of the supporting part (1) is provided with a pair of combination parts (5) which are symmetrically arranged by using a driving part (7), the outer side of each combination part (5) is connected with a sleeve joint part (6) in a sliding manner, and the sleeve joint parts (6) are matched with the outer side of the driving part (7).

4. The apparatus for detecting static friction torque of a motor for a small actuator according to claim 3, wherein: two between the socket joint portion (6) through hasp looks joint.

5. The apparatus for detecting static friction torque of a motor for a small actuator according to claim 1, wherein: the inner side of the counterweight part (2) is provided with a placing hole (9), a positioning piece is installed on the inner side of the placing hole (9), and the counterweight part (8) is installed on the placing hole (9) through the positioning piece.

6. The apparatus for detecting static friction torque of a motor for a small actuator according to claim 1, wherein: the inner side of the supporting part (1) is fixedly connected with two groups of reinforcing parts (4), and the two groups of reinforcing parts (4) are symmetrically and obliquely arranged.

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