CN109483595B

CN109483595B - Multifunctional test equipment

Info

Publication number: CN109483595B
Application number: CN201811400095.0A
Authority: CN
Inventors: 程泓井; 汤雪华; 邓杨
Original assignee: Shanghai Electric Group Corp
Current assignee: Shanghai Electric Group Corp
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2022-08-16
Anticipated expiration: 2038-11-22
Also published as: CN109483595A

Abstract

The invention discloses multifunctional test equipment. The automatic lifting device comprises a rack, a base plate, a first power source, a second power source, a lifting mechanism and a rotating mechanism. The base plate is connected in the frame, and on the base plate was located to first power supply and second power supply, first power supply was used for realizing the static test, and the second power supply was used for realizing fatigue strength and impact load test. The lifting mechanism acts on the base plate to enable the base plate to drive the first power source and the second power source to do lifting motion along the height direction of the rack. The rotating mechanism is used for rotating the first power source and the second power source relative to the frame. Under elevating system's effect, can change the height that first power supply and second power supply were located, under rotary mechanism's effect, can change the angle between first power supply, second power supply and the base plate to can satisfy the test demand of co-altitude and angle, thereby can realize carrying out static load, fatigue strength and impact load test to rehabilitation robot comparatively conveniently, and the cost is lower.

Description

Multifunctional test equipment

Technical Field

The invention relates to the field of rehabilitation medical instruments, in particular to multifunctional testing equipment for testing static load, fatigue strength and impact load of a rehabilitation robot.

Background

In recent years, the aging of the population has been progressing, various unhealthy life styles, traffic accidents, industrial injuries and the like have been increasing, and patients with walking dysfunction caused by stroke, spinal injuries, accidents and the like have become common groups in modern society. Except for adopting medicine and operation treatment, the rehabilitation robot mainly depends on physical treatment, namely rehabilitation training, and replaces the traditional physical therapist by the rehabilitation robot, so that the working strength of the physical therapist can be effectively reduced, and the rehabilitation efficiency of the patient can be improved.

Chinese patent applications CN103315876A and CN102988153A disclose lower limb rehabilitation robots for rehabilitation training of hemiplegic patients, and since users of the rehabilitation robots are patients, absolute safety of the patients needs to be ensured, and static load, fatigue strength and impact load of the rehabilitation robots are tested according to the requirements of registration and detection of medical devices.

At present, no equipment capable of simultaneously carrying out the three tests on the lower limb rehabilitation robot exists in the market, the detection work of the lower limb rehabilitation robot needs to be carried out by means of multiple devices and manpower, the test process is extremely inconvenient, and more time and manpower are consumed.

In conclusion, the prior art has the defects of inconvenience in testing and high cost in testing the static load, the fatigue strength and the impact load of the rehabilitation robot.

Disclosure of Invention

The invention aims to overcome the defects that the test of the static load, the fatigue strength and the impact load of a rehabilitation robot in the prior art is inconvenient and high in cost, and provides multifunctional test equipment.

The invention solves the technical problems through the following technical scheme:

the utility model provides a multi-functional test equipment for carry out static load, fatigue strength and impact load test to recovered robot, its characterized in that, multi-functional test equipment includes:

a frame;

a base plate connected to the frame;

the first power source and the second power source are arranged on the base plate, the first power source is used for acting on the rehabilitation robot to realize static load test, and the second power source is used for acting on the rehabilitation robot to realize fatigue strength and impact load test;

the lifting mechanism acts on the base plate so that the base plate drives the first power source and the second power source to do lifting motion along the height direction of the rack;

a rotation mechanism for rotating the first and second power sources relative to the frame.

In this scheme, under elevating system's effect, can change the height that first power supply and second power supply were located, under rotary mechanism's effect, can change the angle between first power supply, second power supply and the base plate to can satisfy the test demand of co-altitude and angle. Wherein, connect corresponding anchor clamps by first power supply and exert the test surface of recovered robot and keep a period with static load pressure to can carry out the static load test of different surfaces of recovered robot and position, the destruction condition of accessible anchor clamps end sensor detection testee after the test is accomplished, with the judgement test result whether qualified. In a similar way, the second power source can apply corresponding motion and force to the rehabilitation robot through different fixtures, so that the fatigue strength and impact load test can be performed on the rehabilitation robot, and whether the test result is qualified can be detected by the sensor at the tail end of the fixture after the test is completed. Therefore, by adopting the scheme, the test of static load, fatigue strength and impact load of the rehabilitation robot can be conveniently realized, and the cost is lower.

Preferably, the multifunctional testing device further comprises a bearing frame, the bearing frame is arranged opposite to the base plate and connected to the base plate, the first power source and the second power source are arranged on the bearing frame, and the rotating mechanism acts on the bearing frame to enable the bearing frame to rotate relative to the rack.

Preferably, the rotating mechanism includes:

the driving shaft of the first driving motor penetrates through and extends out of the substrate;

the first gear is sleeved at one end, extending out of the base plate, of the driving shaft;

the supporting shaft is connected to the base plate, and the supporting shaft and the first gear are located on the same side of the base plate;

the second gear is sleeved on the supporting shaft and meshed with the first gear, the second gear is positioned between the bearing frame and the base plate, and one end, facing the bearing frame, of the second gear is connected to the bearing frame.

In this scheme, first driving motor drives first gear rotatory, because first gear and the meshing of second gear, the rotation of first gear can drive the rotation of second gear, bears the frame and the relative fixed of second gear, and the rotatory feasible bearing frame of second gear rotates together to can realize the rotation of first power supply and second power supply for the base plate.

Preferably, one end of the first gear facing the substrate is attached to the substrate, and one end of the second gear facing the substrate is attached to the substrate.

In this scheme, first gear and second gear all laminate in the base plate, have both been favorable to reducing the space that multi-functional test set up occupy, are favorable to reducing rocking of first gear and second gear again, are favorable to improving multi-functional test equipment's test reliability.

Preferably, an end of the first gear, which is far away from the substrate, is provided with a receiving groove, and the multifunctional testing device further comprises a limiting block, wherein the limiting block is clamped in the receiving groove and detachably connected to the driving shaft so as to limit the first gear to move along the axial direction of the driving shaft.

In this scheme, the stopper can play limiting displacement to first gear, prevents that first gear from droing or rocking from the drive shaft, is favorable to improving multi-functional test equipment's test reliability.

Preferably, the carrier comprises:

the rotary supporting plate is arranged opposite to the base plate, and one end, facing the second gear, of the rotary supporting plate is detachably connected to the second gear;

the connecting frame is provided with a horizontal part and a vertical part which are connected, the vertical part is arranged opposite to the rotating supporting plate, the vertical part is detachably connected with the rotating supporting plate, and the first power source and the second power source are arranged at intervals along the extending direction of the horizontal part.

Preferably, an outer periphery of the rotating blade is located outside an outer periphery of the second gear.

In this scheme, rotatory layer board can play the guard action to the second gear, and adopts above-mentioned structure setting, is favorable to realizing the connection of rotatory layer board and second gear.

Preferably, the multifunctional testing equipment further comprises a plurality of clamping blocks, the plurality of clamping blocks are arranged at intervals along the circumferential direction of the second gear, and the clamping blocks are used for being clamped on the second gear so as to limit the rotation of the second gear relative to the base plate;

the clamping block is clamped between the base plate and the rotating supporting plate, and two ends of the clamping block are detachably connected to the base plate and the rotating supporting plate respectively.

In this scheme, after the height and the angular adjustment of first power supply and second power supply target in place, adopt and press from both sides tight second gear of tight piece clamp, can prevent that the second gear from skidding, be favorable to further improving multi-functional test equipment's test reliability.

Preferably, the lifting mechanism includes:

the guide rail is arranged on one side, facing the substrate, of the rack;

the side, facing the rack, of the substrate is provided with a sliding block, and the sliding block is arranged on the guide rail in a sliding manner;

the lead screw is arranged on one side, facing the substrate, of the rack;

and the second driving motor is arranged on the rack and acts on the screw rod.

Preferably, the first power source is a servo press, and the second power source is a cylinder.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

in this multi-functional test equipment, under elevating system's effect, can change the height that first power supply and second power supply were located, under rotary mechanism's effect, can change the angle between first power supply, second power supply and the base plate to can satisfy the test demand of not co-altitude and angle, thereby, can realize carrying out static load, fatigue strength and impact load test to rehabilitation robot comparatively conveniently, and the cost is lower.

Drawings

Fig. 1 is a schematic overall structure diagram of a multifunctional testing apparatus according to a preferred embodiment of the invention.

Fig. 2 is a schematic partial structural diagram of a multifunctional testing device according to a preferred embodiment of the present invention, wherein a rack is not shown.

FIG. 3 is another partial schematic structural diagram of a multifunctional testing apparatus according to a preferred embodiment of the invention.

FIG. 4 is a schematic structural diagram of another part of the multifunctional testing apparatus according to a preferred embodiment of the invention.

FIG. 5 is a schematic structural diagram of a rotating tray in a multifunctional testing apparatus according to a preferred embodiment of the invention.

FIG. 6 is a schematic diagram of a clamping block of the multifunctional testing apparatus according to a preferred embodiment of the invention.

Fig. 7 is a schematic structural diagram of a limiting block in the multifunctional testing device according to a preferred embodiment of the invention.

Description of reference numerals:

10 machine frame

20 base plate

30 first power source

40 secondary power source

50 load bearing frame

501 rotating pallet

502 connecting rack

5021 horizontal part

5022 vertical part

60 rotating mechanism

601 first driving motor

602 first gear

603 support the shaft

604 second gear

605 stopper

70 lifting mechanism

701 guide rail

702 slider

704 second drive motor

80 clamping block

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

The present embodiment discloses a multifunctional test apparatus for testing a rehabilitation robot for static load, fatigue strength, and impact load, as will be understood with reference to fig. 1 to 7, the multifunctional test apparatus includes a frame 10, a base plate 20, a first power source 30, a second power source 40, an elevating mechanism 70, and a rotating mechanism 60. Wherein the base plate 20 is connected to the chassis 10. The first power source 30 and the second power source 40 are arranged on the base plate 20, the first power source 30 is used for acting on the rehabilitation robot to realize static load tests, and the second power source 40 is used for acting on the rehabilitation robot to realize fatigue strength and impact load tests. The lifting mechanism 70 acts on the substrate 20 to make the substrate 20 drive the first power source 30 and the second power source 40 to move up and down along the height direction of the frame 10. The rotation mechanism 60 is used to rotate the first and

second power sources

30, 40 relative to the frame 10.

In the present embodiment, the heights at which the first power source 30 and the second power source 40 are located can be changed by the elevating mechanism 70, and the angles between the first power source 30, the second power source 40, and the base plate 20 can be changed by the rotating mechanism 60, so that test requirements of different heights and angles can be satisfied. Wherein, connect corresponding anchor clamps by first power supply 30 and exert the test surface of recovered robot and keep a period with static pressure to can carry out the static test of different surfaces of recovered robot and position, the destruction condition of accessible anchor clamps end sensor detection testee after the test is accomplished, with the judgement test result whether qualified. Similarly, the second power source 40 can apply corresponding motions and forces to the rehabilitation robot through different clamps, so that the fatigue strength and impact load test can be performed on the rehabilitation robot, and whether the test result is qualified can be detected by the sensor at the tail end of the clamp after the test is completed. Therefore, by adopting the scheme, the test of static load, fatigue strength and impact load of the rehabilitation robot can be conveniently realized, and the cost is lower.

In the present embodiment, the first power source 30 is a servo press, and the second power source 40 is a cylinder. In other alternative embodiments, the specific configurations of the first and

second power sources

30 and 40 are merely examples and are not limited to the above-described configurations.

Further, as will be understood with reference to fig. 1 and 2, the multifunctional testing apparatus further includes a carrier 50, the carrier 50 being disposed opposite the base plate 20 and coupled to the base plate 20, the first power source 30 and the second power source 40 being disposed on the carrier 50, and the rotating mechanism 60 acting on the carrier 50 to rotate the carrier 50 with respect to the rack 10.

Further, as will be understood with reference to fig. 1 to 4, the rotating mechanism 60 includes a first drive motor 601, a first gear 602, a support shaft 603, and a second gear 604. The driving shaft of the first driving motor 601 is inserted through and extends out of the substrate 20. The first gear 602 is sleeved on one end of the driving shaft extending out of the substrate 20, the supporting shaft 603 is connected to the substrate 20, and the supporting shaft 603 and the first gear 602 are located on the same side of the substrate 20. The second gear 604 is sleeved on the supporting shaft 603, the second gear 604 is engaged with the first gear 602, the second gear 604 is located between the carrier 50 and the substrate 20, and one end of the second gear 604 facing the carrier 50 is connected to the carrier 50.

The first driving motor 601 drives the first gear 602 to rotate, and since the first gear 602 is engaged with the second gear 604, the rotation of the first gear 602 can drive the second gear 604 to rotate, the carrier 50 and the second gear 604 are relatively fixed, and the second gear 604 rotates to rotate the carrier 50 together, so that the first power source 30 and the second power source 40 can rotate relative to the substrate 20.

Furthermore, one end of the first gear 602 facing the substrate 20 is attached to the substrate 20, and one end of the second gear 604 facing the substrate 20 is attached to the substrate 20. First gear 602 and second gear 604 all laminate in base plate 20, have both been favorable to reducing the space that multi-functional test set up and occupy, are favorable to reducing rocking of first gear 602 and second gear 604 again, are favorable to improving multi-functional test equipment's test reliability. In addition, the number of teeth of the first gear 602 is smaller than that of the second gear 604. The first gear 602 is a small gear, and the second gear 604 is a large gear, which is beneficial to improving the energy utilization rate and reducing the power consumption.

Further, as will be understood by referring to fig. 1, 3 and 7, an end of the first gear 602 away from the substrate 20 has a receiving groove, and the multifunctional testing apparatus further includes a limiting block 605, where the limiting block 605 is clamped in the receiving groove and detachably connected to the driving shaft to limit the movement of the first gear 602 along the axial direction of the driving shaft. The limiting block 605 can limit the first gear 602, so that the first gear 602 is prevented from falling off or shaking from the driving shaft, and the test reliability of the multifunctional test equipment is improved.

Further, as will be understood with reference to fig. 1-4 and 5, the carriage 50 includes a rotating pallet 501 and a link 502. The rotating plate 501 is disposed opposite to the substrate 20, and one end of the rotating plate 501 facing the second gear 604 is detachably connected to the second gear 604. The coupling bracket 502 has a horizontal portion 5021 and a vertical portion 5022 coupled, the vertical portion 5022 is disposed opposite to the rotary blade 501, the vertical portion 5022 is detachably coupled to the rotary blade 501, and the first power source 30 and the second power source 40 are disposed at an interval in an extending direction of the horizontal portion 5021. Wherein the outer periphery of the rotating blade 501 is located outside the outer periphery of the second gear 604. Therefore, the rotating supporting plate 501 can protect the second gear 604, and the structure arrangement is adopted, so that the connection between the rotating supporting plate 501 and the second gear 604 is facilitated.

Further, as will be understood with reference to fig. 2 to 4, the multifunctional testing apparatus further includes a plurality of clamping blocks 80, the plurality of clamping blocks 80 are disposed at intervals along the circumferential direction of the second gear 604, and the clamping blocks 80 are configured to be clamped to the second gear 604 to limit the rotation of the second gear 604 relative to the base plate 20. The clamping block 80 is clamped between the base plate 20 and the rotating support plate 501, and two ends of the clamping block 80 are detachably connected to the base plate 20 and the rotating support plate 501 respectively. After the heights and angles of the first power source 30 and the second power source 40 are adjusted in place, the clamping block 80 is adopted to clamp the second gear 604, so that the second gear 604 can be prevented from slipping, and the testing reliability of the multifunctional testing equipment can be further improved.

Further, as will be understood with reference to fig. 1, the elevating mechanism 70 includes a guide rail 701, a slider 702, a lead screw (not shown), and a second driving motor 704. Wherein the guide rail 701 is provided on a side of the frame 10 facing the substrate 20. A slider 702 is disposed on a side of the base plate 20 facing the rack 10, and the slider 702 is slidably disposed on the guide rail 701. The lead screw is provided on a side of the frame 10 facing the substrate 20. The second drive motor 704 is provided in the frame 10 and acts on the lead screw.

While specific embodiments of the invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A multifunctional test device for testing static load, fatigue strength and impact load of a rehabilitation robot, the multifunctional test device comprising:

a frame;

a base plate connected to the frame;

the first power source and the second power source are arranged on the substrate;

the first power source is connected with the first clamp to apply static load pressure to the test surface of the rehabilitation robot and keep the static load pressure for a period of time, so that static load tests on different surfaces and positions of the rehabilitation robot are performed, and after the tests are completed, the damage condition of the rehabilitation robot is detected through the sensor at the tail end of the first clamp to judge whether the test result is qualified;

the second power source can apply corresponding motion and force to the rehabilitation robot through a second clamp different from the first clamp, the rehabilitation robot is subjected to fatigue strength and impact load tests, and after the tests are finished, whether the test results are qualified is detected through a sensor at the tail end of the second clamp;

a rotation mechanism for rotating the first and second power sources relative to the frame;

the multifunctional testing equipment further comprises a bearing frame, the bearing frame is arranged opposite to the base plate and connected to the base plate, the first power source and the second power source are arranged on the bearing frame, and the rotating mechanism acts on the bearing frame to enable the bearing frame to rotate relative to the rack;

the rotating mechanism comprises a first driving motor, a first gear, a supporting shaft and a second gear, wherein a driving shaft of the first driving motor penetrates through and extends out of the base plate, the first gear is sleeved at one end, extending out of the base plate, of the driving shaft, the supporting shaft is connected to the base plate, the supporting shaft and the first gear are located on the same side of the base plate, the second gear is sleeved on the supporting shaft, the second gear is meshed with the first gear, the second gear is located between the bearing frame and the base plate, and one end, facing the bearing frame, of the second gear is connected to the bearing frame;

the carrier includes:

the connecting frame is provided with a horizontal part and a vertical part which are connected, the vertical part is arranged opposite to the rotating supporting plate, the vertical part is detachably connected to the rotating supporting plate, and the first power source and the second power source are arranged at intervals along the extending direction of the horizontal part;

the multifunctional testing equipment further comprises a plurality of clamping blocks, the clamping blocks are arranged at intervals along the circumferential direction of the second gear, and the clamping blocks are used for clamping the second gear so as to limit the rotation of the second gear relative to the base plate;

2. The multifunctional test apparatus of claim 1, wherein an end of the first gear facing the base plate is attached to the base plate, and an end of the second gear facing the base plate is attached to the base plate.

3. The multifunctional testing device according to claim 2, wherein an end of the first gear away from the substrate has a receiving groove, and the multifunctional testing device further comprises a stopper clamped in the receiving groove and detachably connected to the driving shaft to limit the movement of the first gear along the axial direction of the driving shaft.

4. The multi-function test apparatus of claim 1, wherein an outer periphery of the rotating blade is located outside an outer periphery of the second gear.

5. The multi-function test device of claim 1, wherein the lift mechanism comprises:

the guide rail is arranged on one side, facing the substrate, of the rack;

the lead screw is arranged on one side, facing the substrate, of the rack;

and the second driving motor is arranged on the rack and acts on the lead screw.

6. The multi-functional test device of any of claims 1-5, wherein the first power source is a servo press and the second power source is a cylinder.