CN219142197U

CN219142197U - Multipurpose testing equipment for actuator

Info

Publication number: CN219142197U
Application number: CN202223343008.7U
Authority: CN
Inventors: 潘璇
Original assignee: Oechsler Plastic Products Taicang Co Ltd
Current assignee: Oechsler Plastic Products Taicang Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-06-06
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of actuator test equipment, and particularly relates to multipurpose test equipment for an actuator. The test equipment comprises a gear which is rotatably arranged, a floating disc which is arranged on the same axis with the gear, a driving unit which drives the floating disc to axially move, at least one rack which is slidably arranged and can be meshed with the gear, and a load unit which applies load to the rotation of the gear. The gear is provided with a first clamping part, the floating disc is provided with a second clamping part which can be coupled with the first clamping part, and the driving unit controls the coupling of the first clamping part and the second clamping part; a shaft coupling part for applying a rotational driving force is further provided on the axis of the floating disc; when the rack slides to be far away from the gear, the rack is disengaged from the gear; the rack is also provided with a connecting part for applying linear driving force. The test equipment can be adapted to different types of actuators, performance parameters of the test equipment under the simulated working conditions can be tested, the working conditions can be adjusted according to the requirements, the test efficiency is improved, and the test cost is saved.

Description

Multipurpose testing equipment for actuator

Technical Field

The utility model belongs to the technical field of actuator test equipment, and particularly relates to multipurpose test equipment for an actuator.

Background

The disclosure of this background section is only intended to increase the understanding of the general background of the utility model and is not necessarily to be construed as an admission or suggestion that this information is already known in the art to those of ordinary skill in the art.

With the development of economy, the living standard of people is greatly improved. Intellectualization has become a mainstream trend in the home appliance industry. There is a growing need for configuring various driving devices for performing linear motion and rotational motion in more and more home appliances. For example, patent CN114857829a provides a refrigerator having an automatic door opening and closing function, in which a push rod actuator is used to push the refrigerator door open by a certain angle when the refrigerator is automatically opened to overcome the negative pressure and the door sealing suction force, and then the refrigerator door is completely opened by the intervention of the rotary actuator. As another example, patent CN106761149a provides a push rod actuator that can be used as a driving unit for linear motion in various home appliances. As another example, patent CN212752039U provides a rotary actuator which can be used as a driving unit for rotary motion in various home appliances.

In recent years, the applications of various actuators in products such as home appliances and the like are becoming diversified, and the output of the actuators is also greatly increased. Performance indexes such as execution force, reliability and the like of the actuators of different models need to be detected before leaving the factory. However, different actuators need to be matched to different detection devices, resulting in greater costs and lower detection efficiency.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides multipurpose test equipment and test method for an actuator.

The utility model provides multipurpose testing equipment for an actuator, which comprises a gear, a floating disc, a driving unit, at least one rack and a load unit, wherein the gear is rotatably arranged, the floating disc is arranged on the same axis with the gear, the driving unit drives the floating disc to axially move, the at least one rack is slidably arranged and can be meshed with the gear, and the load unit applies load to rotation of the gear.

The gear is provided with a first clamping part, the floating disc is provided with a second clamping part which can be coupled with the first clamping part, when the driving unit enables the floating disc to be far away from the gear, the first clamping part and the second clamping part are separated from each other, and when the driving unit enables the floating disc to be close to the gear, the first clamping part and the second clamping part are coupled with each other; a shaft coupling part for applying a rotational driving force is further provided on the axis of the floating disc; when the rack slides to be far away from the gear, the rack is disengaged from the gear; the rack is also provided with a connecting part for applying linear driving force.

Further, the floating disc vertically floats and is located on the upper side of the gear, the driving unit is located on the lower side of the floating disc, when the floating disc is required to be far away from the gear, the driving unit jacks up the floating disc from the lower side, and when the floating disc is required to be close to the gear, the driving unit does not push the floating disc, and the floating disc naturally falls under the action of gravity.

Further, the device also comprises a loading platform which is fixedly installed; the loading platform is positioned above the floating disc and is provided with a guide sleeve part extending downwards; the center of the floating disc is provided with a limiting shaft penetrating through the guide sleeve part; the shaft joint part is positioned at the top end of the limiting shaft.

Furthermore, one side of the loading platform is also provided with a clamp with an adjustable position, and the clamp is used for tightly fixing the actuator to be tested on the loading platform.

Further, the first clamping part is a first gear shaping array circumferentially arranged on the gear, and the second clamping part is a second gear shaping array circumferentially arranged on the floating disc; the upper part of each gear shaping in the first gear shaping array is wedge-shaped, and the lower part of each gear shaping in the second gear shaping array is wedge-shaped so as to guide the gear shaping arrays to be inserted into each other.

Further, a rack which is installed in a sliding way is respectively arranged on two sides of the gear.

Further, the connecting portion is arranged at one end, far away from the gear, of each rack, the connecting portion is a slot portion with a transverse opening, and threaded holes capable of being provided with locking bolts are formed in the slot portion.

Further, a loading base is fixedly arranged in the opposite direction of each connecting part and is used for fixing the actuator to be tested.

Further, the load unit includes a rotatably installed friction plate, first and second clamping blocks clamping the friction plate from both sides, a pair of parallel threaded rods adjusting a distance between the first and second clamping blocks, and an adjustment motor driving the threaded rods to rotate.

Further, the friction disc is coaxially connected with the rack; the two ends of the first clamping block are respectively sleeved on a threaded rod in a threaded fit manner, and the two ends of the second clamping block are respectively connected with the end part of the threaded rod in a rotating manner; the threaded rod is connected to the output shaft of the adjusting motor, and the adjusting motor is non-rigidly and fixedly installed.

Further, an elastic rubber layer is adhered to the bottom of the adjusting motor and is adhered to the fixed rigid substrate.

The multipurpose testing device for the actuator can simulate the load of the rotary actuator and the linear motion actuator during working, thereby being used for testing the performance of the actuator.

When the rotary actuator needs to be tested, the shell of the rotary actuator to be tested is fixed, the output shaft of the rotary actuator to be tested is connected to the shaft connection part in a sliding clamping mode, the first clamping part is coupled with the second clamping part through the driving unit, the rack slides to a position where the rack is disengaged from the gear, and the rotary actuator to be tested works to overcome the load of the load unit so as to simulate the actual working condition.

When the linear motion actuator needs to be tested, the shell of the linear motion actuator to be tested is fixed, the linear motion piece of the linear motion actuator to be tested is connected with the connecting part, the first clamping part is separated from the second clamping part through the driving unit, the linear motion actuator to be tested works, the rack is driven to slide, the gear is driven to rotate, and the load of the load unit is overcome, so that the actual working condition is simulated.

The beneficial effects are that: compared with the prior art, the multipurpose test equipment for the actuator can be adapted to different types of actuators, including the rotary actuator and the linear motion actuator, can test the performance parameters of the actuators under the simulated working conditions, can adjust the working conditions according to the needs, is convenient to use, improves the test efficiency and saves the test cost.

Drawings

FIG. 1 is a schematic diagram of a multipurpose test apparatus for actuators.

FIG. 2 is a schematic cross-sectional view of an actuator multi-purpose test apparatus.

FIG. 3 is a schematic diagram of the cooperation of a gear with a floating disc.

Fig. 4 is a schematic structural view of the driving unit.

Fig. 5 is a schematic diagram of the cooperation of the drive unit and the floating disc.

FIG. 6 is a schematic diagram of the cooperation of the loading platform and floating disc.

Fig. 7 is a schematic diagram of the cooperation of the rack and the gear.

Fig. 8 is a schematic view of the structure of the rack end connection.

Fig. 9 is a schematic view of the structure of the loading base.

Fig. 10 is a schematic structural view of the clamp.

Fig. 11 is a schematic structural diagram of a load unit.

In the figure:

a gear 1;

a first engaging portion 11;

a floating disc 2;

a second engaging portion 21;

a shaft coupling portion 22;

a limiting shaft 23;

a drive unit 3;

a reduction gear box 31;

a motor 32;

cam 33

A rack 4;

a connection portion 41;

a loading platform 5;

a guide sleeve portion 51;

a clamp 6;

a loading base 7;

a load unit 9;

a friction plate 91;

a first clamping block 92;

a second clamp block 93;

a threaded rod 94;

the motor 95 is regulated.

Detailed Description

The utility model is further illustrated by the following examples, which are intended to more clearly illustrate the technical solution of the utility model and should not be construed as limiting.

Unless defined otherwise, technical or scientific terms used herein should be understood as having the ordinary meaning as understood by one of ordinary skill in the art. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Multipurpose testing equipment for actuator

As shown in fig. 1 and 2, the device comprises a double-layer bracket, a rotatably mounted gear 1, a floating disc 2 arranged on the same axis with the gear 1, a driving unit 3 for driving the floating disc 2 to axially move, a pair of racks 4 which are slidably mounted and can be meshed with the gear 1, and a load unit 9 for applying load to the rotation of the gear 1.

As shown in fig. 3, the gear 1 and the floating disc 2 are matched, the floating disc 2 vertically floats and is located on the upper side of the gear 1, the driving unit 3 is located on the lower side of the floating disc 2, the gear 1 is provided with a first clamping portion 11, and the floating disc 2 is provided with a second clamping portion 21 which can be coupled with the first clamping portion 11. Specifically, the first clamping part 11 is a first gear shaping array circumferentially arranged on the gear 1, and the second clamping part 21 is a second gear shaping array circumferentially arranged on the floating disc 2; the upper part of each gear shaping in the first gear shaping array is wedge-shaped, and the lower part of each gear shaping in the second gear shaping array is wedge-shaped so as to guide the gear shaping arrays to be inserted into each other.

The driving unit 3 is used to control the up-and-down movement of the floating disc 2, and the driving unit 3 may be one or a plurality of driving units. As shown in fig. 4, the driving unit 3 includes a reduction gear box 31, a motor 32 connected to an input end of the reduction gear box 31, and a cam 33 mounted to an output end of the reduction gear box 31, and the cam 33 is rotated to different angles by the motor 32.

As shown in fig. 5, the spatial position relationship between the driving unit 3 and the floating disc 2 is that the cam 33 pushes the floating disc 2 from the lower side, when the floating disc 2 is required to be far away from the gear 1, the driving unit 3 pushes the floating disc 2 from the lower side, when the floating disc 2 is required to be close to the gear 1, the driving unit 3 does not push the floating disc 2, and the floating disc 2 naturally falls under the action of gravity. To reduce friction, grease may be applied to the cam 33 surface. When the driving unit 3 moves the floating disc 2 away from the gear 1, the first engaging portion 11 and the second engaging portion 21 are separated from each other, and power cannot be transmitted therebetween, and when the driving unit 3 moves the floating disc 2 close to the gear 1, the first engaging portion 11 and the second engaging portion 21 engage with each other, and power can be transmitted therebetween.

As shown in fig. 1, the actuator multipurpose test apparatus further includes a fixedly mounted loading platform 5; the loading platform 5 is located above the floating disc 2. As shown in fig. 6, the loading platform 5 has a guide sleeve portion 51 extending downward; the center of the floating disc 2 is provided with a limiting shaft 23 penetrating through the guide sleeve part 51; the shaft connection part 22 is a D-shaped hole and is positioned at the top end of the limiting shaft 23 and used for being connected with an output shaft of the rotary actuator to be tested in an inserting way so that the rotary actuator to be tested can apply rotary driving force.

As shown in fig. 1 and 7, a rack 4 is provided on both sides of the gear 1, which rack is slidably mounted. When the rack 4 slides away from the gear 1, the rack 4 is disengaged from the gear 1; when the rack 4 is required to be meshed with the gear 1, the gear 1 is only required to be pushed to move in a direction approaching the gear 1 until being meshed.

As shown in fig. 8, the rack 4 further has a connection portion 41 for applying a linear driving force. The connecting part 41 is arranged at one end of each rack 4 far away from the gear 1, the connecting part 41 is a slot part with a transverse opening, and a threaded hole capable of being assembled with a locking bolt is formed in the slot part. As shown in fig. 9, a loading base 7 is fixedly provided in a direction facing each of the connection portions 41 for fixing the actuator to be tested.

As shown in fig. 10, a clamp 6 with adjustable position is also arranged on one side of the loading platform 5, and the clamp 6 is used for pressing and fixing the actuator to be tested on the loading platform 5. The clamp 6 is laterally adjusted in position by a screw.

As shown in fig. 11, the load unit 9 includes a rotatably installed friction plate 91, first and second clamping blocks 92 and 93 clamping the friction plate 91 from both sides, a pair of parallel threaded rods 94 adjusting the distance between the first and second clamping blocks 92 and 93, and an adjustment motor 95 driving the threaded rods 94 to rotate; the friction disc 91 is coaxially connected with the rack 4; the two ends of the first clamping block 92 are respectively sleeved on a threaded rod 94 in a threaded fit manner, and the two ends of the second clamping block 93 are respectively connected with the end parts of the threaded rod 94 in a rotary manner; the threaded rod 94 is connected to the output shaft of an adjustment motor 95, and the adjustment motor 95 is non-rigidly fixed. An elastic rubber layer is adhered to the bottom of the adjusting motor 95 and is adhered to a fixed rigid substrate.

The multipurpose testing equipment for the actuator can simulate the load of the rotary actuator and the linear actuator during working, so that the multipurpose testing equipment is used for testing performance parameters of the actuator, such as testing service life, output torque, maximum thrust and the like.

Specifically, when the rotary actuator needs to be tested, the housing of the rotary actuator to be tested is fixed, the output shaft of the rotary actuator to be tested is slidably and in snap connection with the shaft connection portion 22, the first snap connection portion 11 is coupled with the second snap connection portion 21 through the driving unit 3, the rack 4 is slid to a position disengaged from the gear 1, and the rotary actuator to be tested works against the load of the load unit 9 so as to simulate the actual working condition.

When the linear motion actuator needs to be tested, the shell of the linear motion actuator to be tested is fixed, the linear motion piece of the linear motion actuator to be tested is connected with the connecting part 41, the first clamping part 11 is separated from the second clamping part 21 through the driving unit 3, the linear motion actuator to be tested works, the rack 4 is driven to slide, the gear 1 is driven to rotate, and the load of the load unit 9 is overcome, so that the actual working condition is simulated.

The above embodiments are illustrative for the purpose of illustrating the technical concept and features of the present utility model so that those skilled in the art can understand the content of the present utility model and implement it accordingly, and thus do not limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. An actuator multipurpose test device, characterized in that: the device comprises a gear (1) which is rotatably arranged, a floating disc (2) which is arranged on the same axis with the gear (1), a driving unit (3) which drives the floating disc (2) to axially move, at least one rack (4) which is slidably arranged and can be meshed with the gear (1), and a load unit (9) which applies load to the rotation of the gear (1);

the gear (1) is provided with a first clamping part (11), the floating disc (2) is provided with a second clamping part (21) which can be coupled with the first clamping part (11), when the driving unit (3) enables the floating disc (2) to be far away from the gear (1), the first clamping part (11) and the second clamping part (21) are separated from each other, and when the driving unit (3) enables the floating disc (2) to be close to the gear (1), the first clamping part (11) and the second clamping part (21) are coupled with each other; a shaft coupling part (22) for applying a rotational driving force is further provided on the axis of the floating disc (2); when the rack (4) slides away from the gear (1), the rack (4) is disengaged from the gear (1); the rack (4) is also provided with a connecting part (41) for applying a linear driving force.

2. The actuator multipurpose test apparatus of claim 1, wherein: the floating disc (2) vertically floats and is located on the upper side of the gear (1), the driving unit (3) is located on the lower side of the floating disc (2), when the floating disc (2) is required to be far away from the gear (1), the driving unit (3) jacks up the floating disc (2) from the lower side, when the floating disc (2) is required to be close to the gear (1), the driving unit (3) does not push the floating disc (2), and the floating disc (2) naturally falls under the action of gravity.

3. The actuator multipurpose test apparatus of claim 2, wherein: the device also comprises a loading platform (5) which is fixedly installed; the loading platform (5) is positioned above the floating disc (2), and the loading platform (5) is provided with a guide sleeve part (51) extending downwards; the center of the floating disc (2) is provided with a limiting shaft (23) penetrating through the guide sleeve part (51); the shaft joint part (22) is positioned at the top end of the limiting shaft (23).

4. The actuator multi-purpose test apparatus of claim 3, wherein: the loading platform (5) is also provided with a clamp (6) with an adjustable position at one side, and the clamp (6) is used for pressing and fixing the actuator to be tested on the loading platform (5).

5. The actuator multipurpose test apparatus of claim 1, wherein: the first clamping part (11) is a first gear shaping array circumferentially arranged on the gear (1), and the second clamping part (21) is a second gear shaping array circumferentially arranged on the floating disc (2); the upper part of each gear shaping in the first gear shaping array is wedge-shaped, and the lower part of each gear shaping in the second gear shaping array is wedge-shaped so as to guide the gear shaping arrays to be inserted into each other.

6. The actuator multipurpose test apparatus of any one of claims 1 to 5, wherein: two sides of the gear (1) are respectively provided with a rack (4) which is arranged in a sliding way.

7. The actuator multi-purpose test apparatus of claim 6, wherein: the connecting parts (41) are arranged at one end, far away from the gear (1), of each rack (4), the connecting parts (41) are slot parts with transverse openings, and threaded holes capable of being provided with locking bolts are formed in the slot parts.

8. The actuator multi-purpose test apparatus of claim 7, wherein: a loading base (7) is fixedly arranged in the direction opposite to each connecting part (41) for fixing the actuator to be tested.

9. The actuator multi-purpose test apparatus of claim 6, wherein: the load unit (9) comprises a friction disc (91) which is rotatably installed, a first clamping block (92) and a second clamping block (93) which clamp the friction disc (91) from two sides, a pair of parallel threaded rods (94) for adjusting the distance between the first clamping block (92) and the second clamping block (93), and an adjusting motor (95) for driving the threaded rods (94) to rotate;

the friction disc (91) is coaxially connected with the rack (4); the two ends of the first clamping block (92) are respectively sleeved on a threaded rod (94) in a threaded fit manner, and the two ends of the second clamping block (93) are respectively connected with the end part of the threaded rod (94) in a rotating manner; the threaded rod (94) is connected to an output shaft of the adjusting motor (95), and the adjusting motor (95) is non-rigidly and fixedly installed.

10. The actuator multipurpose test apparatus of claim 9, wherein: an elastic rubber layer is adhered to the bottom of the adjusting motor (95), and the elastic rubber layer is adhered to the fixed rigid substrate.