CN113029561A

CN113029561A - Reliability test bed for speed reducer of industrial robot

Info

Publication number: CN113029561A
Application number: CN202110284100.1A
Authority: CN
Inventors: 徐佳斌; 伍平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-06-25

Abstract

The invention discloses a reliability test bed for an industrial robot speed reducer, which comprises a test bed body, a clamping unit and a fixing unit; the test bed body: fixed mounting has the board of placing in its upper surface middle part, the spout has been seted up respectively at both ends about the top of test bench body, both ends are provided with first mobile unit and second mobile unit respectively about the test bench body, the top of first mobile unit and second mobile unit is provided with load torque motor and driving motor respectively, load torque motor and driving motor's bottom is provided with the fixed station respectively, and this industrial robot speed reducer reliability test bench, good reliability, the practicality is high, can carry out quick installation fixedly to being detected the speed reducer, can adjust the butt joint to testing arrangement automatically simultaneously, has still guaranteed the measuring precision when raising the efficiency.

Description

Reliability test bed for speed reducer of industrial robot

Technical Field

The invention relates to the technical field of industrial equipment, in particular to a reliability test bed for a speed reducer of an industrial robot.

Background

The power unit of the industrial robot mainly comprises a servo motor and a speed reducer, the cost of the power unit accounts for more than 65% of the cost of the whole robot, the power unit is used as a core component of the robot, the precision and the reliability of the power unit are critical, the speed reducer of the power unit of the industrial robot is one of key technologies of the industrial robot, and the power unit of the industrial robot has the advantages of high transmission rigidity, large transmission ratio, small inertia, large output torque, stable transmission, small size, strong impact resistance and the like;

the reliability test bed of the industrial robot speed reducer can simulate the actual working condition of the industrial robot speed reducer, carry out reliability test, and simultaneously carry out real-time detection on related parameters, expose the fault of the power unit of the industrial robot which is independently produced through the reliability test on the industrial robot speed reducer, improve the product through recording and analyzing the fault, improve the reliability of the power unit and further improve the reliability of the industrial robot;

present industrial robot speed reducer reliability test bench can not install the speed reducer of being tested fast fixedly, and current industrial robot speed reducer reliability test bench simultaneously mostly needs the manual device to the test to adjust the butt joint, not only reduces measuring precision, and manual adjustment butt joint efficiency is lower moreover, and can't satisfy industrial robot speed reducer reliability test demand.

Disclosure of Invention

The invention aims to overcome the existing defects, provides a reliability test bed for the speed reducer of the industrial robot, has good reliability and high practicability, can quickly install and fix the speed reducer to be tested, can automatically adjust and butt joint a testing device, improves the efficiency, ensures the measuring accuracy and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the reliability test bed for the speed reducer of the industrial robot comprises a test bed body, a clamping unit and a fixing unit;

the test bed body: the middle part of the upper surface of the test bed body is fixedly provided with a placing plate, the left end and the right end of the top of the test bed body are respectively provided with a sliding chute, the left end and the right end of the test bed body are respectively provided with a first moving unit and a second moving unit, the tops of the first moving unit and the second moving unit are respectively provided with a load torque motor and a driving motor, the bottoms of the load torque motor and the driving motor are respectively provided with a fixed bed, the end parts of output shafts of the load torque motor and the driving motor are respectively provided with a coupler, and the other end of the coupler is respectively fixedly connected with a first torque sensor and a second torque sensor;

a clamping unit: the novel clamping device comprises a rotary table, a trapezoidal sliding table, a bidirectional threaded rod, a first clamping plate and a positioning groove, wherein the trapezoidal sliding table is fixedly installed in the middle of the upper surface of a placing plate, the bidirectional threaded rod is arranged in a groove of the trapezoidal sliding table, threads of the left end and the right end of the bidirectional threaded rod are opposite, the middle of the bidirectional threaded rod is rotatably connected with the middle of the trapezoidal sliding table through a bearing, the parts of the left side and the right side of the bidirectional threaded rod are respectively and fixedly provided with the rotary table, the left end and the right end of the bidirectional threaded rod are respectively in threaded connection with the first clamping plate, the trapezoidal groove formed in the bottom of the first clamping plate is respectively in sliding connection with the outer side surface of the;

a fixing unit: the clamping device comprises two fixed plates, a compression spring, a first handle, a first slide bar, a second clamping plate and telescopic rods, wherein the fixed plates are respectively arranged right above the first clamping plate in a front-back symmetrical mode, the first slide bar is respectively arranged at the left end and the right end of the top between the fixed plates in a left-right symmetrical mode, the front end and the rear end of the first slide bar are respectively connected with the second clamping plate in a sliding mode, the first handle is respectively and fixedly arranged in the middle of the upper surface of the second clamping plate, the telescopic rods are respectively and fixedly arranged in the middle of the inner side of each fixed plate, and the telescopic ends of the telescopic rods respectively penetrate through the compression spring and are fixedly connected;

wherein: the test bed comprises a test bed body, and is characterized by further comprising a single chip microcomputer, wherein the single chip microcomputer is arranged on the top of the front side surface of the test bed body, the output end of the single chip microcomputer is electrically connected with the input ends of a load torque motor and a driving motor, the input end of the single chip microcomputer is electrically connected with the output ends of a first torque sensor and a second torque sensor, and the input end of the single chip microcomputer is electrically connected with the output.

Further, first mobile unit contains first motor, first gear, first threaded rod and second gear, first motor fixed mounting is in the inside left side of test bench body, the output shaft of first motor passes through-hole and first gear fixed connection on the test bench body, first threaded rod sets up inside the left spout of test bench body, both ends are rotated with the inboard of spout respectively about first threaded rod and are connected, the left end of first threaded rod passes through-hole and second gear fixed connection on the test bench body, the tooth meshing on second gear and the first gear, the output of singlechip is connected to the input electricity of first motor. Through the operation of first motor, make first gear drive second gear and rotate, through second gear revolve to make first threaded rod rotate, rotate through first threaded rod, thereby make the load moment motor on the first connecting plate remove.

Further, first mobile unit still contains first connecting plate, first fixed block and second slide bar, first fixed block is equipped with two sets ofly, first fixed block bilateral symmetry respectively sets up both ends around the spout of test bench body left side, fixed mounting has the second slide bar respectively between the first fixed block, first connecting plate sets up in the top left side of test bench body, the sliding hole that both ends were seted up about first connecting plate respectively with second slide bar sliding connection, screw and first threaded rod threaded connection on the lug of first connecting plate bottom, the upper surface and the fixed station fixed connection of first connecting plate. Rotate through first threaded rod, make first connecting plate slide along the second slide bar, through the setting of second slide bar to stationarity when guaranteeing first connecting plate to remove improves measured precision.

Further, the second mobile unit contains second motor, third gear, second threaded rod and fourth gear, second motor fixed mounting is on the inside right side of test bench body, the output shaft of second motor passes through-hole and third gear fixed connection on the test bench body, the second threaded rod sets up inside the spout on test bench body right side, both ends are rotated with the inboard of spout respectively about the second threaded rod and are connected, the right-hand member of second threaded rod passes through-hole and fourth gear fixed connection on the test bench body, the tooth meshing on fourth gear and the third gear, the output of singlechip is connected to the input electricity of second motor. Through the operation of second motor, make the third gear drive fourth gear and rotate, through fourth gear revolve to make the second threaded rod rotate, rotate through the second threaded rod, thereby make the driving motor on the second connecting plate remove.

Further, the second mobile unit still contains second connecting plate, second fixed block and third slide bar, the second fixed block is equipped with two sets ofly, the second fixed block bilateral symmetry respectively sets up both ends around the spout of test bench body right side, fixed mounting has the third slide bar respectively between the second fixed block, the second connecting plate sets up the top right side at the test bench body, the slide opening that both ends were seted up about the second connecting plate respectively with third slide bar sliding connection, screw and second threaded rod threaded connection on the lug of second connecting plate bottom, the upper surface and the fixed station fixed connection of second connecting plate. Rotate through the second threaded rod, make the second connecting plate slide along the third slide bar, through the setting of third slide bar to stationarity when guaranteeing the second connecting plate and removing, thereby improve measuring precision.

Further, still include the heat dissipation unit, the heat dissipation unit contains dustproof window, mount and heat dissipation fan, the mount is equipped with two, the mount bilateral symmetry respectively sets up the rectangle that both ends were seted up about the test bench body rear side and leads to the inslot, fixed mounting has the heat dissipation fan on the mount respectively, the dustproof window is equipped with two, both ends about the rear side at the test bench body are installed to dustproof window bilateral symmetry respectively, the output of singlechip is connected to the input electricity of heat dissipation fan. Through the operation of heat dissipation fan, carry out the forced air cooling to test bench body internal device, through the setting of mount, fix the heat dissipation fan, make the heat dissipation fan move more steadily, through the setting of dustproof window, block the filtration to the dust granule in the air.

Further, the heat dissipation device comprises two groups of heat dissipation holes, wherein the heat dissipation holes are of rectangular structures and are respectively arranged on the inner sides of the middle parts of the test bed body in a bilateral symmetry mode. Through the setting of louvre, make the inside air of test bench body obtain the circulation, through the operation of heat dissipation fan to the heat that makes this internal device of test bench produce outwards flows.

Furthermore, the universal wheel is provided with two groups, and the universal wheels are respectively arranged at the left end and the right end of the bottom of the test bed body in a bilateral symmetry mode. Through the setting of universal wheel, make things convenient for the test bench body to remove.

Further, still include access door and second handle, the access door is equipped with two, access door bilateral symmetry respectively sets up both ends about the front side of test bench body, rotate through the fixed axle respectively between access door and the test bench body and be connected, the outside surface middle part of access door fixed mounting has the second handle respectively. Through pulling the second handle, make the access door take place to rotate through fixed axle and test bench body, through the setting of access door to make things convenient for the staff to maintain the device of test bench body inside.

Furthermore, the clamping device further comprises a temperature sensor, wherein the temperature sensor is arranged at the top of the right side surface of one of the first clamping plates, and the output end of the temperature sensor is electrically connected with the input end of the single chip microcomputer. Through temperature sensor's setting, can carry out real-time supervision to the speed reducer that is detected, can be with data transmission to singlechip simultaneously, the data analysis center in the singlechip transmits data transmission to outside computer again.

Compared with the prior art, the invention has the beneficial effects that: this industrial robot speed reducer reliability test platform has following benefit:

1. the reliability test bed for the speed reducer of the industrial robot is provided with a fixing unit, a second clamping plate slides to a fixing plate along a first sliding rod by pulling a first handle, simultaneously, the telescopic rod is retracted, the speed reducer to be detected is placed between the second clamping plates, the first handle is slowly released, the second clamping plates clamp the speed reducer under the action of the compression spring, after the speed reducer is preliminarily fixed, the first handle is lifted, the first slide bar is placed in the positioning groove on the first clamping plate, the bidirectional threaded rod is rotated by twisting the rotary table, the first clamping plate slides relatively along the trapezoidal sliding table through the opposite threads at the left end and the right end of the bidirectional threaded rod, the positioning groove slides along the first sliding rod, and the first clamping plate moves inwards, clamping the second clamping plates so as to effectively fix the speed reducer between the second clamping plates;

2. the third gear drives the fourth gear to rotate through the operation of the second motor, the second connecting plate slides along the third slide bar through the rotation of the second threaded rod, the stability of the second connecting plate during movement is ensured through the arrangement of the third slide bar, and the measuring accuracy is improved;

3. the monitored data are transmitted to the single chip microcomputer through the first torque sensor and the second torque sensor, and then transmitted to a data analysis center in an external computer through the single chip microcomputer, so that the speed reducer is analyzed and detected;

4. this industrial robot speed reducer reliability test platform, good reliability, the practicality is high, can carry out quick installation to being detected the speed reducer and fix, can adjust the butt joint to testing arrangement automatically simultaneously, has still guaranteed the measuring precision when raising the efficiency.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention.

In the figure: 1 test bed body, 2 placing plates, 3 single chip microcomputer, 4 clamping units, 41 turntables, 42 trapezoidal sliding tables, 43 bidirectional threaded rods, 44 first clamping plates, 45 positioning grooves, 5 fixing units, 51 fixing plates, 52 compression springs, 53 first handles, 54 first sliding rods, 55 second clamping plates, 56 telescopic rods, 6 first moving units, 61 first motors, 62 first gears, 63 first threaded rods, 64 second gears, 65 first connecting plates, 66 first fixing blocks, 67 second sliding rods, 7 second moving units, 71 second motors, 72 third gears, 73 second threaded rods, 74 fourth gears, 75 second connecting plates, 76 second fixing blocks, 77 third sliding rods, 8 heat radiating units, 81 dust windows, 82 fixing frames, 83 heat radiating fans, 9, 10 universal wheels, 11 access doors, 12 second handles, 13 fixing tables, 14 load moment motors, 15, 8 heat radiating holes, 8 heat radiating units, 82 fixing frames, 9 universal wheels, 11 universal wheels, 12 second handles, 13 fixing tables, 14 load moment motors, 15, 6, 16 first torque sensor, 17 drive motor, 18 second torque sensor, 19 temperature sensor, 20 chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the reliability test bed for the speed reducer of the industrial robot comprises a test bed body 1, a clamping unit 4 and a fixing unit 5;

test bench body 1: the middle part of the upper surface of the test bed is fixedly provided with a placing plate 2, the left end and the right end of the top of the test bed body 1 are respectively provided with a sliding chute 20, the left end and the right end of the test bed body 1 are respectively provided with a first moving unit 6 and a second moving unit 7, the tops of the first moving unit 6 and the second moving unit 7 are respectively provided with a load torque motor 14 and a driving motor 17, the bottoms of the load torque motor 14 and the driving motor 17 are respectively provided with a fixed bed 13, the end parts of output shafts of the load torque motor 14 and the driving motor 17 are respectively provided with a coupler 15, and the other end of the coupler 15 is respectively fixedly connected with a first torque sensor 16 and a second; first mobile unit 6 contains first motor 61, first gear 62, first threaded rod 63 and second gear 64, first motor 61 fixed mounting is on the left side of the inside of test bench body 1, the through-hole and first gear 62 fixed connection on the test bench body 1 are passed to the output shaft of first motor 61, first threaded rod 63 sets up inside the left spout 20 of test bench body 1, both ends rotate with the inboard of spout 20 respectively about first threaded rod 63 and are connected, the through-hole and second gear 64 fixed connection on the test bench body 1 are passed to the left end of first threaded rod 63, second gear 64 meshes with the tooth on first gear 62, the output of singlechip 3 is connected to the input electricity of first motor 61. The first gear 62 drives the second gear 64 to rotate by the operation of the first motor 61, and the first threaded rod 63 rotates by the rotation of the second gear 64, and the load torque motor 14 on the first connection plate 65 moves by the rotation of the first threaded rod 63. First mobile unit 6 still contains first connecting plate 65, first fixed block 66 and second slide bar 67, first fixed block 66 is equipped with two sets ofly, first fixed block 66 bilateral symmetry sets up the front and back both ends at test bench body 1 left side spout 20 respectively, fixed mounting has second slide bar 67 respectively between the first fixed block 66, first connecting plate 65 sets up the top left side at test bench body 1, the slide opening that the both ends were seted up about first connecting plate 65 respectively with second slide bar 67 sliding connection, screw and first 63 threaded rod threaded connection on the lug of first connecting plate 65 bottom, the upper surface and the fixed station 13 fixed connection of first connecting plate 65. Rotate through first threaded rod 63, make first connecting plate 65 slide along second slide bar 67, through the setting of second slide bar 67 to guarantee the stationarity when first connecting plate 65 removes, thereby improve the measuring precision. The second moving unit 7 comprises a second motor 71, a third gear 72, a second threaded rod 73 and a fourth gear 74, the second motor 71 is fixedly installed on the right side of the inside of the test bed body 1, an output shaft of the second motor 71 penetrates through a through hole in the test bed body 1 and is fixedly connected with the third gear 72, the second threaded rod 73 is arranged inside the chute 20 on the right side of the test bed body 1, the left end and the right end of the second threaded rod 73 are respectively connected with the inner side of the chute 20 in a rotating mode, the right end of the second threaded rod 73 penetrates through a through hole in the test bed body 1 and is fixedly connected with the fourth gear 74, the fourth gear 74 is meshed with teeth on the third gear 72, and the input end of the second motor 71 is electrically connected with the output end of the single. The second motor 71 is operated to rotate the fourth gear 74 with the third gear 72, and the fourth gear 74 is rotated to rotate the second screw rod 73, and the second screw rod 73 is rotated to move the driving motor 17 on the second connecting plate 75. Second mobile unit 7 still contains second connecting plate 75, second fixed block 76 and third slide bar 77, second fixed block 76 is equipped with two sets ofly, second fixed block 76 bilateral symmetry sets up the front and back both ends at test bench body 1 right side spout 20 respectively, fixed mounting has third slide bar 77 between the second fixed block 76 respectively, second connecting plate 75 sets up the top right side at test bench body 1, the slide opening that both ends were seted up about second connecting plate 75 respectively with third slide bar 77 sliding connection, screw and second threaded rod 73 threaded connection on the lug of second connecting plate 75 bottom, the upper surface and the fixed station 13 fixed connection of second connecting plate 75. Rotate through second threaded rod 73, make second connecting plate 75 slide along third slide bar 77, through the setting of third slide bar 77 to the stationarity when guaranteeing second connecting plate 75 to remove, thereby improve the measuring precision. Still include radiating element 8, radiating element 8 contains dustproof window 82, mount 82 and heat dissipation fan 83, mount 82 is equipped with two, mount 82 bilateral symmetry respectively sets up the rectangle logical inslot that both ends were seted up about test bench body 1 rear side, on the mount 82 respectively fixed mounting have heat dissipation fan 83, dustproof window 82 is equipped with two, dustproof window 82 bilateral symmetry respectively installs both ends about the rear side of test bench body 1, the output of singlechip 3 is connected to the input electricity of heat dissipation fan 83. Through heat dissipation fan 83 operation, carry out the forced air cooling to test bench body 1 internal device, through the setting of mount 82, fix heat dissipation fan 83, make heat dissipation fan 83 operate more steadily, through the setting of dustproof window 82, block the filtration to the dust particle in the air. Still include louvre 9, louvre 9 is equipped with two sets ofly, and louvre 9 is the rectangle structure, and louvre 9 bilateral symmetry respectively sets up in the middle part inboard of test bench body 1. Through the setting of louvre 9, make the inside air of test bench body 1 obtain the circulation, move through heat dissipation fan 83 to the heat that makes test bench body 1 internal arrangement produce outwards flows. Still include universal wheel 10, universal wheel 10 is equipped with two sets ofly, and universal wheel 10 bilateral symmetry installs both ends about test bench body 1 bottom respectively. Through the setting of universal wheel 10, make things convenient for test bench body 1 to remove. Still include access door 11 and second handle 12, access door 11 is equipped with two, and access door 11 bilateral symmetry respectively sets up both ends about the front side of test bench body 1, rotates through the fixed axle respectively between access door 11 and the test bench body 1 to be connected, and access door 11's outside surface middle part fixed mounting has second handle 12 respectively. Through pulling second handle 12, make access door 11 take place to rotate through fixed axle and test bench body 1, through the setting of access door 11 to make things convenient for the staff to carry out maintenance to the device of test bench body 1 inside. The temperature sensor 19 is arranged on the top of the right side surface of one of the first clamping plates 44, and the output end of the temperature sensor 19 is electrically connected with the input end of the single chip microcomputer 3. Through the arrangement of the temperature sensor 19, the detected speed reducer can be monitored in real time, data can be transmitted to the single chip microcomputer 3, and the single chip microcomputer 3 transmits the data to a data analysis center in an external computer;

the clamping unit 4: the clamping device comprises a turntable 41, a trapezoidal sliding table 42, a bidirectional threaded rod 43, a first clamping plate 44 and a positioning groove 45, wherein the trapezoidal sliding table 42 is fixedly installed in the middle of the upper surface of a placing plate 2, the bidirectional threaded rod 43 is arranged in a groove of the trapezoidal sliding table 42, threads of the left end and the right end of the bidirectional threaded rod 43 are opposite, the middle of the bidirectional threaded rod 43 is rotatably connected with the middle of the trapezoidal sliding table 42 through a bearing, the turntables 41 are respectively and fixedly installed at the left side end and the right side end of the bidirectional threaded rod 43, the left end and the right end of the bidirectional threaded rod 43 are respectively in threaded connection with the first clamping plate 44, the trapezoidal groove formed in the bottom of the first clamping plate 44 is respectively in sliding connection with the outer side;

the fixing unit 5: the clamping device comprises two fixing plates 51, a compression spring 52, a first handle 53, a first sliding rod 54, a second clamping plate 55 and telescopic rods 56, wherein the two fixing plates 51 are respectively arranged above the first clamping plate 44 in a front-back symmetrical manner, the first sliding rods 54 are respectively arranged at the left end and the right end of the top between the fixing plates 51 in a left-right symmetrical manner, the front end and the rear end of each first sliding rod 54 are respectively connected with the second clamping plate 55 in a sliding manner, the first handle 53 is respectively fixedly arranged in the middle of the upper surface of each second clamping plate 55, the telescopic rods 56 are respectively fixedly arranged in the middle of the inner side of each fixing plate 51, and the telescopic ends of the telescopic rods 56 respectively penetrate through the compression spring 52;

wherein: still include singlechip 3, singlechip 3 sets up at the front side surface top of test bench body 1, and load torque motor 14 and driving motor 17's input are connected to singlechip 3's output electricity, and first torque sensor 16 and second torque sensor 18's output is connected to singlechip 3's input electricity, and the output of external power source is connected to singlechip 3's input electricity.

When in use: firstly, pulling the first handle 53 to enable the second clamping plate 55 to slide towards the fixed plate 51 along the first sliding rod 54, simultaneously retracting the telescopic rod 56, placing the speed reducer to be detected between the second clamping plates 55, slowly releasing the first handle 53, enabling the second clamping plate 55 to clamp the speed reducer under the action of the compression spring 52, after the speed reducer is preliminarily fixed, lifting the first handle 53, placing the first sliding rod 54 inside the positioning groove 45 on the first clamping plate 44, enabling the bidirectional threaded rod 43 to rotate through twisting the turntable 41, enabling the first clamping plate 44 to relatively slide along the trapezoid sliding table 42 through opposite threads at the left end and the right end of the bidirectional threaded rod 43, enabling the positioning groove 45 to slide along the first sliding rod 54, enabling the first clamping plate 44 to move inwards to clamp the second clamping plate 55, and further effectively fixing the speed reducer between the second clamping plates 55, the third gear 72 drives the fourth gear 74 to rotate by the operation of the second motor 71, the second threaded rod 73 rotates by the rotation of the fourth gear 74, the driving motor 17 on the second connecting plate 75 moves by the rotation of the second threaded rod 73, the second connecting plate 75 slides along the third slide bar 77 by the rotation of the second threaded rod 73, the stationarity of the second connecting plate 75 in moving is ensured by the arrangement of the third slide bar 77, the accuracy of measurement is improved, the first gear 62 drives the second gear 64 to rotate by the operation of the first motor 61, the first threaded rod 63 rotates by the rotation of the second gear 64, the load torque motor 14 on the first connecting plate 65 moves by the rotation of the first threaded rod 63, the first connecting plate 65 slides along the second slide bar 67 by the rotation of the first threaded rod 63, through the arrangement of the second slide bar 67, the stability of the first connecting plate 65 during movement is ensured, the measuring accuracy is improved, the driving motor 17 and the load torque motor 14 operate to enable the connecting ends of the first torque sensor 16 and the second torque sensor 18 and the speed reducer to be detected, the first torque sensor 16 and the second torque sensor 18 transmit the monitored data to the single chip microcomputer 3, the single chip microcomputer 3 transmits the data to a data analysis center in an external computer to analyze and detect the speed reducer, the temperature sensor 19 is arranged to monitor the detected speed reducer in real time, simultaneously transmit the data to the single chip microcomputer 3, the single chip microcomputer 3 transmits the data to the data analysis center in the external computer, the heat dissipation fan 83 operates to cool the device in the test bed body 1 by air cooling, and through the arrangement of the fixing frame 82, fix heat dissipation fan 83, make heat dissipation fan 83 operate more steadily, setting through dustproof window 82, dust particle to in the air blocks the filtration, setting through louvre 9, make the inside air of test bench body 1 circulate, move through heat dissipation fan 83, thereby the heat that makes 1 internal device of test bench body produce outwards flows, through pulling second handle 12, make access door 11 take place to rotate through fixed axle and test bench body 1, setting through access door 11, thereby make things convenient for the staff to maintain the device of 1 internal portion of test bench body.

It is to be noted that, in this embodiment, the specific model of the single chip microcomputer 3 is siemens S7-200, the load torque motor 14 is proposed to be a load torque motor produced by shenzhen xin tai chuang motor limited, the drive motor 17 is proposed to be a variable frequency drive motor produced by xinxiang special motor manufacturing limited, the first torque sensor 16 and the second torque sensor 18 are proposed to be dynamic torque sensors produced by beijing zhongke electrical control technology corporation, the first motor 61 and the second motor 71 are proposed to be three-phase asynchronous motors produced by sienna siema small motor manufacturing limited, the heat dissipation fan 83 is proposed to be a heat dissipation fan produced by shanggu wangda electric control technology corporation, the temperature sensor 19 is proposed to be a wireless vibration temperature sensor produced by shanghai leizheng detection technology limited, and the load torque motor 14 is controlled by the single chip microcomputer 3, The driving motor 17, the first torque sensor 16, the second torque sensor 18, the first motor 61, the second motor 71, the heat radiating fan 83 and the temperature sensor 19 are operated in a method commonly used in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Industrial robot speed reducer reliability test platform, its characterized in that: comprises a test bed body (1), a clamping unit (4) and a fixing unit (5);

test stand body (1): a placing plate (2) is fixedly installed in the middle of the upper surface of the test bed body, sliding grooves (20) are formed in the left end and the right end of the top of the test bed body (1) respectively, a first moving unit (6) and a second moving unit (7) are arranged at the left end and the right end of the test bed body (1) respectively, a load torque motor (14) and a driving motor (17) are arranged at the top of each of the first moving unit (6) and the second moving unit (7) respectively, fixed tables (13) are arranged at the bottoms of the load torque motor (14) and the driving motor (17) respectively, couplers (15) are arranged at the end portions of output shafts of the load torque motor (14) and the driving motor (17) respectively, and the other end of each coupler (15) is fixedly connected with a first torque sensor (16) and a second torque sensor (18) respectively;

clamping unit (4): comprises a turntable (41), a trapezoidal sliding table (42), a bidirectional threaded rod (43), a first clamping plate (44) and a positioning groove (45), the trapezoidal sliding table (42) is fixedly arranged in the middle of the upper surface of the placing plate (2), a bidirectional threaded rod (43) is arranged in a groove of the trapezoidal sliding table (42), the threads of the left end and the right end of the bidirectional threaded rod (43) are opposite, the middle part of the bidirectional threaded rod (43) is rotationally connected with the middle part of the trapezoidal sliding table (42) through a bearing, the left side end and the right side end of the bidirectional threaded rod (43) are respectively and fixedly provided with a turntable (41), the left end and the right end of the bidirectional threaded rod (43) are respectively in threaded connection with a first clamping plate (44), the trapezoid grooves arranged at the bottom of the first clamping plate (44) are respectively connected with the outer side surface of the trapezoid sliding table (42) in a sliding way, positioning grooves (45) are respectively formed in the left end and the right end of the top of the first clamping plate (44);

fixing unit (5): the clamping device comprises a fixing plate (51), two compression springs (52), a first handle (53), a first sliding rod (54), a second clamping plate (55) and two telescopic rods (56), wherein the fixing plate (51) is symmetrically arranged right above the first clamping plate (44) in the front-back direction respectively, the first sliding rod (54) is symmetrically arranged at the left end and the right end of the top between the fixing plate (51) in the left-right direction respectively, the second clamping plate (55) is slidably connected to the front end and the rear end of the first sliding rod (54) respectively, the first handle (53) is fixedly arranged in the middle of the upper surface of the second clamping plate (55) respectively, the telescopic rods (56) are fixedly arranged in the middle of the inner side of the fixing plate (51) respectively, and the telescopic ends of the telescopic rods (56) penetrate through the compression springs (52) and are fixedly connected with the second clamping plate (55;

wherein: still include singlechip (3), singlechip (3) set up the front side surface top at test bench body (1), the input of load torque motor (14) and driving motor (17) is connected to the output electricity of singlechip (3), the output of first torque sensor (16) and second torque sensor (18) is connected to the input electricity of singlechip (3), the output of external power source is connected to the input electricity of singlechip (3).

2. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: the first moving unit (6) comprises a first motor (61), a first gear (62), a first threaded rod (63) and a second gear (64), the first motor (61) is fixedly arranged at the left side in the test bed body (1), an output shaft of the first motor (61) penetrates through a through hole on the test bed body (1) to be fixedly connected with the first gear (62), the first threaded rod (63) is arranged in the sliding groove (20) on the left side of the test bed body (1), the left end and the right end of the first threaded rod (63) are respectively connected with the inner side of the sliding chute (20) in a rotating way, the left end of the first threaded rod (63) passes through a through hole on the test bed body (1) and is fixedly connected with a second gear (64), the second gear (64) is meshed with teeth on the first gear (62), and the input end of the first motor (61) is electrically connected with the output end of the single chip microcomputer (3).

3. The industrial robot speed reducer reliability test stand of claim 2, characterized in that: first mobile unit (6) still contain first connecting plate (65), first fixed block (66) and second slide bar (67), first fixed block (66) are equipped with two sets ofly, first fixed block (66) bilateral symmetry respectively sets up both ends around test bench body (1) left side spout (20), between first fixed block (66) respectively fixed mounting have second slide bar (67), first connecting plate (65) set up the top left side at test bench body (1), the slide opening that both ends were seted up about first connecting plate (65) respectively with second slide bar (67) sliding connection, screw and first threaded rod (63) threaded connection on first connecting plate (65) bottom lug, the upper surface and fixed station (13) fixed connection of first connecting plate (65).

4. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: the second moving unit (7) comprises a second motor (71), a third gear (72), a second threaded rod (73) and a fourth gear (74), the second motor (71) is fixedly arranged at the right side in the test bed body (1), an output shaft of the second motor (71) passes through a through hole on the test bed body (1) and is fixedly connected with a third gear (72), the second threaded rod (73) is arranged in the sliding groove (20) on the right side of the test bed body (1), the left end and the right end of the second threaded rod (73) are respectively connected with the inner side of the sliding chute (20) in a rotating way, the right end of the second threaded rod (73) passes through a through hole on the test bed body (1) and is fixedly connected with a fourth gear (74), the fourth gear (74) is meshed with teeth on the third gear (72), and the input end of the second motor (71) is electrically connected with the output end of the single chip microcomputer (3).

5. The industrial robot speed reducer reliability test stand of claim 4, characterized in that: second mobile unit (7) still contains second connecting plate (75), second fixed block (76) and third slide bar (77), second fixed block (76) are equipped with two sets ofly, second fixed block (76) bilateral symmetry respectively sets up the front and back both ends at test bench body (1) right side spout (20), between second fixed block (76) respectively fixed mounting have third slide bar (77), second connecting plate (75) set up the top right side at test bench body (1), the slide opening that both ends were seted up about second connecting plate (75) respectively with third slide bar (77) sliding connection, screw and second threaded rod (73) threaded connection on second connecting plate (75) bottom lug, the upper surface and fixed station (13) fixed connection of second connecting plate (75).

6. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: still include heat dissipation unit (8), heat dissipation unit (8) contain dustproof window (82), mount (82) and heat dissipation fan (83), mount (82) are equipped with two, mount (82) bilateral symmetry respectively sets up the rectangle that both ends were seted up about test bench body (1) rear side and leads to the inslot, on mount (82) respectively fixed mounting have heat dissipation fan (83), dustproof window (82) are equipped with two, both ends about the rear side at test bench body (1) are installed in dustproof window (82) bilateral symmetry respectively, the output of singlechip (3) is connected to the input electricity of heat dissipation fan (83).

7. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: still include louvre (9), louvre (9) are equipped with two sets ofly, louvre (9) are the rectangle structure, louvre (9) bilateral symmetry respectively are seted up at the middle part inboard of test bench body (1).

8. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: still include universal wheel (10), universal wheel (10) are equipped with two sets ofly, both ends about test bench body (1) bottom are installed in bilateral symmetry respectively in universal wheel (10).

9. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: still include access door (11) and second handle (12), access door (11) are equipped with two, access door (11) bilateral symmetry respectively sets up both ends about the front side of test bench body (1), rotate through the fixed axle respectively between access door (11) and the test bench body (1) and be connected, the outside surface middle part of access door (11) is fixed mounting respectively has second handle (12).

10. The industrial robot speed reducer reliability test stand of claim 1, characterized in that: the clamping device is characterized by further comprising a temperature sensor (19), wherein the temperature sensor (19) is arranged on the top of the right side surface of one first clamping plate (44), and the output end of the temperature sensor (19) is electrically connected with the input end of the single chip microcomputer (3).