CN113759203B - Comprehensive performance testing machine for electric feed servo device - Google Patents

Abstract

The invention discloses a comprehensive performance testing machine for an electric feed servo device, which belongs to the technical field of servo drive performance testing and comprises a testing table, wherein the testing table is provided with a testing box, a testing motor, a connecting piece, a monitoring box and an upper computer, a plurality of servo drives are arranged in the testing box, the testing box enables the plurality of servo drives to be sequentially communicated with the testing motor, the testing motor is connected with a monitoring box shaft through the connecting piece, and the testing box and the monitoring box are communicated with the upper computer through a control system. A plurality of servo drives are installed in the test box, after a certain servo drive finishes detection, the test box is automatically switched to the next servo drive, the servo drive which finishes detection is popped out of the test box, so that a detector can clearly know that the servo drive finishes detection, the servo drive to be detected next time is replaced, and meanwhile, whether performance defects exist in the servo drive which finishes detection is displayed through an upper computer.

Description

Comprehensive performance testing machine for electric feed servo device

Technical Field

The invention relates to the technical field of servo drive performance testing, in particular to a comprehensive performance testing machine for an electric feed servo device.

Background

The frequency converter is an important component of industrial transmission control, because of different proficiency of assemblers and difference between product components, the quality of the frequency converter of the same type is different, the servo driver is used as a core component of the frequency converter, the excellent performance of the frequency converter is particularly important for the whole performance of the frequency converter, and the good performance of the servo driver is required to be ensured.

Disclosure of Invention

The invention aims to provide a comprehensive performance testing machine for an electric feed servo device, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: a comprehensive performance testing machine for an electric feed servo device comprises a testing table, wherein a testing box, a testing motor, a connecting piece, a monitoring box and an upper computer are arranged on the testing table, a plurality of servo drives are arranged in the testing box, the testing box enables the plurality of servo drives to be sequentially communicated with the testing motor, the testing motor is connected with a monitoring box shaft through the connecting piece, and the testing box and the monitoring box are both communicated with the upper computer through a control system;

the test box is characterized in that an adjusting plate is arranged in the test box corresponding to each servo drive position, a plurality of potential needles are arranged on each adjusting plate, the adjusting plates adjust the positions of the potential needles according to the servo drive models, the potential needles are electrically connected with the servo drive pins, and the adjusting plates are electrically connected with a control system. A plurality of servo drives are installed in the test box, when one servo drive is detected, the test box is automatically switched to the next servo drive, the detected servo drive is popped out of the test box, so that a detector can clearly know that the servo drive is detected, the servo drive to be detected next time is replaced, and meanwhile, an upper computer displays whether the detected servo drive has performance defects; the adjusting plate carries out position adjustment to the potential needle according to servo drive's model, makes the position of potential needle matching servo drive upper pin, and the adjusting plate makes the test box can carry out performance test to the servo drive of different models to improve this capability test machine's adaptability and practicality.

The inside a plurality of baffles that are provided with of test box, slidable mounting has the boxboard, every between per two adjacent baffles on the test box be provided with two curb plates on the boxboard, two be provided with the bottom plate between the curb plate, the inside backup pad that all is provided with in one side of every curb plate of test box, backup pad and curb plate sliding connection, the adjusting plate is located between two adjacent baffles, servo drive places on the bottom plate, per two adjacent all be provided with temperature sensor between the baffle. The bottom plate is used for bearing the servo drive, the two side plates limit the position of the servo drive on the bottom plate, the support plate supports the sliding of the side plates on the test box, slide rods are arranged on the side plates, slide grooves are formed in the support plate, the slide rods are positioned in the slide grooves, every two adjacent partition plates, the box plate and the test box are mutually matched to form a plurality of independent test cabins in the test box, a temperature sensor monitors the temperature in the test cabins and transmits temperature data to a control system, the control system converts the types of the data and transmits the converted data to the interior of a host computer for display, meanwhile, a detection circuit for output current is arranged on a communication circuit between the servo drive and a test motor, the detection circuit detects the output current of the servo drive and transmits the detected data to the host computer through the control system, the upper computer passes through the contrast of temperature and output current, judges servo drive's heat dispersion, and output current's size receives the influence of temperature, through the detection to output current size, calculates servo drive's inside temperature, contrasts through the temperature that inside temperature and temperature sensor detected to calculate servo drive's heat dispersion.

An upper supporting plate is arranged at one end, far away from the box plate, of the bottom plate, a wedge-shaped block is arranged below the upper supporting plate, one end of the wedge-shaped block penetrates through the bottom plate, an ejector rod is arranged below the box plate inside the test box, and a pulley is arranged on the ejector rod;

the utility model discloses a high-speed magnetic field power supply device, including adjusting plate, bearing board, slide rail, electric potential needle, adjusting plate, the inside two vertical slide rails that are provided with of adjusting plate, vertical slide rail below is provided with the dislocation jar, two be provided with the loading board between the vertical slide rail, be provided with a plurality of side slide rail on the loading board, equal slidable mounting has the slide, a plurality of on the slide rail of side the electric potential needle sets up on the slide, every equal slidable mounting has a plurality of side to move the slide rail on the vertical slide rail, the slide moves to the side through the magnetic field and moves on the slide rail. When the servo drive which is detected is popped out of the test box, the wedge block is contacted with the pulley, the pulley generates upward thrust to the wedge block, the wedge block drives the upper supporting plate to move upward, the upper supporting plate lifts up the servo drive, and the upper end of the servo drive is higher than the upper ends of the two side plates, so that a tester can conveniently take out the servo drive from between the side plates; the lateral movement sliding rail is arranged on the vertical sliding rail through a moving plate, a coil is arranged on the vertical sliding rail, a permanent magnet plate is arranged on the end face of the moving plate close to the vertical sliding rail, a magnetic field generated by electrifying the coil drives the moving plate to move on the vertical sliding rail, so that the lateral movement sliding rail moves on the vertical sliding rail, the lateral movement sliding rail can be matched with any potential needle, a bearing plate provides support for the installation of lateral sliding rails and potential needles, coils are arranged on the lateral sliding rails and the lateral movement sliding rails, the coil is electrified to generate a magnetic field, a permanent magnet is also arranged on the end face of the sliding plate close to the lateral sliding rails, the permanent magnet moves on the lateral sliding rails and the lateral movement sliding rails under the influence of the magnetic field, when a proper number of potential needles need to be stretched out, the coils on the lateral sliding rails and the lateral movement sliding rails are electrified, and the lateral movement sliding rails are in butt joint with the lateral sliding rails, the sliding plate is driven by the permanent magnet to slide to the side-shifting sliding rail, then the side-shifting sliding rail moves on the vertical sliding rail, a plurality of potential needles are gathered together to form a terminal row connected with the servo drive, the dislocation cylinder pushes the vertical sliding rail, the vertical sliding rail drives the potential needles forming the terminal row to be dislocated with the potential needles on the bearing plate, and therefore the potential needles on the bearing plate are prevented from influencing connection between the terminal row and the servo drive.

Link up the union piece including linking up the shell, link up and seted up logical groove on the shell, link up the inside two adaptation poles that are provided with of shell, every all be provided with the slider on the adaptation pole, be provided with the clamping bar on the slider, two be provided with the end ring between the clamping bar, the shifting chute has been seted up to the symmetry on the end ring, every all be provided with the centre gripping slide rail in the shifting chute, install the centre gripping slide on the centre gripping slide rail, it presss from both sides to install the linking on the centre gripping slide rail, the centre gripping slide passes through magnetic field and moves on the centre gripping slide rail, two the centre gripping of realization to the motor shaft is mutually supported to the linking clamp. The adaptation pole is rodless cylinder, the slider is a complete set with rodless cylinder, the clamping bar reciprocates under rodless cylinder's drive, and then drive the end ring up-and-down motion, make linking clamp carry out the centre gripping to the motor shaft of co-altitude, and simultaneously, linking clamp slides on the end ring, the internal diameter of end ring is greater than the internal diameter that two linking clamps formed, and then make linking clamp can carry out the centre gripping to the motor shaft of different diameters, the link up piece can link up the motor of different models, install the permanent magnet on the centre gripping slide, install a plurality of coils on the centre gripping slide rail, the coil circular telegram produces magnetic field, make the permanent magnet drive linking clamp under the attraction in magnetic field and move, and then realize linking the centre gripping of clamp to the motor shaft.

A middle rotating wheel and an output wheel are arranged in the connecting shell, a plurality of connecting rods are arranged on the end face, away from the connecting clamp, of one side of the bottom ring, a plurality of middle rotating rods are arranged on the middle rotating wheel, a plurality of output wheel rods are arranged on the output wheel, the connecting rods and the middle rotating rods are arranged in a crossed mode, and the output wheel rods and the middle rotating rods are arranged in a crossed mode;

the bottom ring is provided with a linkage sliding chute which is connected with the two clamping rods in a sliding manner. The bottom ring is provided with a joint rod, the middle rotating rod is arranged on the middle rotating wheel, the joint rod is perpendicular to the middle rotating rod, the output wheel rod and the middle rotating rod which are arranged on the output wheel are also perpendicular to each other, the joint rod rotates under the driving of the joint clamp, the joint rod is made to dial the middle rotating wheel through the middle rotating rod, the middle rotating wheel is made to dial the output wheel through the middle rotating rod to rotate, the power output of the motor is further realized, the bottom ring moves up and down under the driving of the adaptation rod, the joint rod slides on the middle rotating rod, the joint rod is close to the middle rotating wheel or is far away from the middle rotating wheel, and when the bottom ring moves up and down in the joint shell, the bottom ring is still in rotating connection with the middle rotating wheel through the joint rod.

The monitoring box is characterized in that a magnetic block is arranged inside the monitoring box, a magnetic field plate is arranged on the magnetic block, a coil is arranged in the magnetic field plate, the coil is connected with a control system, a magnetic ring is rotatably arranged above the magnetic block inside the monitoring box, an auxiliary magnetic plate is arranged on the magnetic ring, a speed measuring mechanism is arranged above the magnetic ring inside the monitoring box, a connecting shaft is arranged in the magnetic ring, and one end of the connecting shaft is connected with an output wheel shaft. The attractive force on the auxiliary magnetic force is changed by changing the current passing through the coil, the resistance and gravity when the magnetic ring rotates are changed by changing the attractive force, the load on the connecting shaft is changed, and the rotating speed of the magnetic ring is monitored by the speed measuring mechanism.

The speed measuring mechanism comprises a supporting block, two contacts are arranged on the supporting block through two supporting plates, and the contacts are connected with the control system;

two annular monitoring grooves are formed in the magnetic ring, a plurality of scale grooves are formed between the monitoring grooves in a communicating mode, each scale groove is internally provided with a scale plate, the scale plates are made of metal materials, one end of each contact is located in each monitoring groove, and the contacts are in contact with the scale plates when the magnetic ring rotates. The scale plate is made of metal, the two contacts are respectively connected with two conducting wires in the same circuit, when the contacts are in contact with the scale plate, the circuit is conducted, so that a control system obtains a counting signal, the control system controls the test motor to rotate through servo drive, after the control system sends a rotating signal, the test motor is connected with the monitoring box through a connecting piece, so that a magnetic force ring in the monitoring box rotates, the control system obtains a counting signal every time the magnetic force ring rotates by an angle, the accuracy of the servo drive on the position control of the test motor is obtained through calculating the counting signal, and the performance detection on the position control of the servo drive is realized; the control system controls the test motor to rotate through servo drive, and obtains the rotating speed of the test motor through calculation of a counting signal obtained within one minute, so that the performance detection of the servo drive speed control is realized; after the control system sends out a control command, the time of obtaining the counting signal is calculated to obtain the time of outputting a signal by the servo drive, and the reaction time of the servo drive is obtained by calculating the time of sending out the command by the control system and the time of outputting the signal by the servo drive.

The bearing is installed to the inboard one side that links up the axle of magnetic ring, install the bracing piece on the bearing, the bracing piece is fixed with monitoring incasement wall.

And a detection circuit for outputting current is arranged on a communication circuit between the servo drive and the test motor, and the detection circuit detects the magnitude of the output current of the servo drive and transmits the detected magnitude data of the current to an upper computer through a control system.

Compared with the prior art, the invention has the following beneficial effects:

the two contacts are respectively connected with two conducting wires in the same circuit, when the contacts are in contact with the scale plate, the circuit is conducted, so that a control system obtains a counting signal, the control system controls the test motor to rotate through servo drive, after the control system sends a rotating signal, the test motor is connected with the monitoring box through a connecting piece, a magnetic ring in the monitoring box rotates, the control system obtains a counting signal every time the magnetic ring rotates by an angle, the accuracy of servo drive on the position control of the test motor is obtained through calculating the counting signal, and the performance detection on the servo drive position control is realized; the control system controls the test motor to rotate through servo drive, and obtains the rotating speed of the test motor through calculation of a counting signal obtained within one minute, so that the performance detection of the servo drive speed control is realized; after the control system sends out a control command, the time of obtaining the counting signal is calculated to obtain the time of outputting a signal by the servo drive, and the reaction time of the servo drive is obtained by calculating the time of sending out the command by the control system and the time of outputting the signal by the servo drive.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the interior front view of the test chamber of the present invention;

FIG. 3 is a schematic diagram of the right view of the interior of the test chamber of the present invention;

FIG. 4 is a left side view of the adjusting plate of the present invention;

FIG. 5 is a schematic view of the internal structure of the adjusting plate of the present invention;

FIG. 6 is a schematic left side view of a connector of the present invention;

FIG. 7 is a schematic left side view of the bottom ring of the present invention;

FIG. 8 is a front half-section view of the bottom ring of the present invention;

FIG. 9 is a schematic view of the bottom ring of the present invention in connection with a center wheel and an output wheel;

FIG. 10 is a front schematic view of the bottom ring and center runner, output wheel of the present invention;

FIG. 11 is a schematic view of the inside right side of the monitoring chamber of the present invention;

fig. 12 is a schematic view of the connection structure of the contact and the scale plate.

In the figure: 1. a test bench; 2. a test box; 3. testing the motor; 4. a joining member; 5. a monitoring box; 6. an upper computer; 7. servo driving; 201. a partition plate; 202. a boxboard; 203. a side plate; 204. a support plate; 205. a base plate; 206. an upper supporting plate; 207. an adjustment plate; 208. a potential needle; 2071. laterally moving the slide rail; 2072. a vertical slide rail; 2074. a dislocation cylinder; 401. connecting clips; 402. a bottom ring; 403. an adaptation rod; 404. a connecting rod; 405. a middle rotating wheel; 406. an output wheel; 407. an output wheel lever; 408. clamping the slide rail; 409. a linkage chute; 501. a magnetic block; 502. a magnetic ring; 503. an auxiliary magnetic plate; 504. a support block; 505. a scale plate; 506. a connecting shaft; 507. a support bar; 508. and a contact.

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 to 12, the present invention provides a technical solution: a comprehensive performance testing machine for an electric feed servo device comprises a testing table 1, wherein a testing box 2, a testing motor 3, a connecting piece 4, a monitoring box 5 and an upper computer 6 are arranged on the testing table 1, a plurality of servo drives 7 are arranged in the testing box 2, the testing box 2 enables the plurality of servo drives 7 to be sequentially communicated with the testing motor 3, the testing motor 3 is connected with the monitoring box 5 through the connecting piece 4, and the testing box 2 and the monitoring box 5 are communicated with the upper computer 6 through a control system;

the position of the interior of the test box 2 corresponding to each servo drive 7 is provided with an adjusting plate 207, each adjusting plate 207 is provided with a plurality of potential pins 208, the adjusting plate 207 adjusts the positions of the potential pins 208 according to the model of the servo drive 7, the potential pins 208 are electrically connected with pins of the servo drive 7, and the adjusting plate 207 is electrically connected with a control system.

Inside a plurality of baffles 201 that are provided with of test box 2, slidable mounting has boxboard 202 between per two adjacent baffles 201 on test box 2, be provided with two curb plates 203 on every boxboard 202, be provided with bottom plate 205 between two curb plates 203, the one end of keeping away from boxboard 202 on bottom plate 205 is provided with upper bracket plate 206, upper bracket plate 206 below is provided with the wedge, bottom plate 205 is run through to wedge one end, the inside below that is located boxboard 202 of test box 2 is provided with the ejector pin, be provided with the pulley on the ejector pin.

When detecting the servo drive of accomplishing and popping out the test box, wedge and pulley contact, the pulley produces ascending thrust to the wedge, make the wedge drive the mounting plate up-motion, make the mounting plate up lift servo drive, thereby make servo drive's upper end exceed the upper end of two curb plates, thereby make things convenient for the tester to take out servo drive from between the curb plate, when servo drive still is in the test box inside, the mounting plate only can make servo drive rise to servo drive's lift, and can not make servo drive top to the test box inner wall, only when servo drive shifts out the test box completely, the mounting plate can make servo drive upper end exceed the curb plate upper end.

The inside of the test box 2 is provided with a support plate 204 on one side of each side plate 203, the side plates 203 are of a net structure, a slide bar is mounted on each side plate 203, a slide groove is formed in each support plate 204, the slide bar is positioned in the slide groove, one side of each support plate 204 in the test box 2 is provided with an ejection mechanism (not shown in the figure), the ejection mechanism is rotatably connected with the slide bar, the ejection mechanism enables the bottom plate 205 to move towards the outer side of the test box 2 by pushing the slide bar, in the embodiment, the ejection mechanism is composed of an air cylinder, the support plate 204 is slidably connected with the side plates 203, the adjusting plate 207 is positioned between two adjacent partition plates 201, the servo drive 7 is placed on the bottom plate 205, a temperature sensor is arranged between each two adjacent partition plates 201, a detection circuit for output current is mounted on a communication circuit between the servo drive 7 and the test motor 3, and the detection circuit detects the output current of the servo drive 7, and transmits the detection data to the upper computer 6 through the control system.

Every two adjacent baffles, boxboard and test box four mutually support and form a plurality of solitary test cabins in the test box inside, temperature sensor monitors the inside temperature of test cabin, and with temperature data transmission to control system in, control system carries out type conversion through carrying out data, and show the inside data transmission after will converting to the host computer, the host computer passes through the contrast of temperature and output current, judge servo drive's heat dispersion, output current's size receives the influence of temperature, through the detection to output current size, calculate servo drive's inside temperature, contrast through the temperature that inside temperature and temperature sensor detected, thereby calculate servo drive's heat dispersion.

The inside two vertical slide rails 2072 that are provided with of adjusting plate 207, vertical slide rail 2072 below is provided with dislocation jar 2074, is provided with the loading board between two vertical slide rails 2072, is provided with a plurality of side slide rail on the loading board, and equal slidable mounting has the slide on the slide rail of side, and a plurality of potential needle 208 sets up on the slide, and equal slidable mounting has a plurality of side to move slide rail 2071 on every vertical slide rail 2072, and the slide moves to the side through the magnetic field and moves on the slide rail 2071.

The lateral sliding rail is provided with a lateral sliding rail through a moving plate, the vertical sliding rail is provided with a coil, the end surface of the moving plate close to the vertical sliding rail is provided with a permanent magnet plate, the coil is electrified to generate a magnetic field to drive the moving plate to move on the vertical sliding rail, so that the lateral sliding rail moves on the vertical sliding rail, the coils are arranged on the lateral sliding rail and the lateral sliding rail, the coil is electrified to generate a magnetic field, the end surface of the sliding plate close to the lateral sliding rail is also provided with a permanent magnet, the permanent magnet moves on the lateral sliding rail and the lateral sliding rail under the influence of the magnetic field, when a proper number of potential needles need to be extended, the coils on the lateral sliding rail and the lateral sliding rail are electrified, the lateral sliding rail is butted with the lateral sliding rail at the moment, the sliding plate slides onto the lateral sliding rail under the drive of the permanent magnet, and then the lateral sliding rail moves on the vertical sliding rail, so that a plurality of potential needles are gathered together to form a terminal row connected with a servo drive, the dislocation jar promotes vertical slide rail, makes vertical slide rail drive the potential needle that forms the terminal row and misplaces with the potential needle on the loading board, and then prevents that the potential needle on the loading board from influencing being connected between terminal row and the servo drive.

The connecting piece 4 comprises a connecting shell, a through groove is formed in the connecting shell, two adaptive rods 403 are arranged inside the connecting shell, a sliding block is arranged on each adaptive rod 403, each adaptive rod is a rodless cylinder, the sliding block and the rodless cylinder are a whole set, each sliding block is provided with an arc-shaped clamping rod, a bottom ring 402 is rotatably arranged between the two clamping rods, moving grooves are symmetrically formed in the bottom ring 402, a clamping sliding rail 408 is arranged in each moving groove, a clamping sliding plate is arranged on the clamping sliding rail 408, a connecting clamp 401 is arranged on the clamping sliding plate, the clamping sliding plate moves on the clamping sliding rail 408 through a magnetic field, and the two connecting clamps 401 are mutually matched to clamp a motor shaft.

The clamping bar reciprocates under the drive of rodless cylinder, and then drive the end ring up-and-down motion, make linking clamp carry out the centre gripping to the motor shaft of co-altitude not, and simultaneously, it slides on the end ring to link up the clamp, the internal diameter of end ring is greater than the internal diameter of two linking clamp forming's clamping ring, and then make linking clamp can carry out the centre gripping to the motor shaft of different diameters, linking piece can link up the motor of different models, install the permanent magnet on the centre gripping slide, install a plurality of coils on the centre gripping slide rail, the coil circular telegram produces magnetic field, make the permanent magnet drive linking clamp under the attraction in magnetic field and move, and then realize linking the centre gripping of clamp to the motor shaft.

A middle rotating wheel 405 and an output wheel 406 are arranged in the connecting shell, a plurality of connecting rods 404 are arranged on the end face of one side, away from the connecting clamp 401, of the bottom ring 402, a plurality of middle rotating rods are arranged on the middle rotating wheel 405, a plurality of output wheel rods 407 are arranged on the output wheel 406, the connecting rods 404 are arranged in a crossed mode with the middle rotating rods, and the output wheel rods 407 are arranged in a crossed mode with the middle rotating rods;

the bottom ring 402 is provided with a linkage sliding chute 409, and the linkage sliding chute 409 is connected with the two clamping rods in a sliding manner.

The bottom ring is provided with a joint rod, the middle rotating rod is arranged on the middle rotating wheel, the joint rod is perpendicular to the middle rotating rod, the output wheel rod and the middle rotating rod which are arranged on the output wheel are also perpendicular to each other, the joint rod rotates under the driving of the joint clamp, the joint rod is made to dial the middle rotating wheel through the middle rotating rod, the middle rotating wheel is made to dial the output wheel through the middle rotating rod to rotate, the power output of the motor is further realized, the bottom ring moves up and down under the driving of the adaptation rod, the joint rod slides on the middle rotating rod, the joint rod is close to the middle rotating wheel or is far away from the middle rotating wheel, and when the bottom ring moves up and down in the joint shell, the bottom ring is still in rotating connection with the middle rotating wheel through the joint rod.

The inside magnetic block 501 that is provided with of monitoring case 5, be provided with magnetic field plate on the magnetic block 501, be provided with the coil in the magnetic field plate, the coil has control system to connect, monitoring case 5 is inside to rotate in magnetic block 501 top and install magnetic ring 502, be provided with vice magnetic plate 503 on the magnetic ring 502, monitoring case 5 is inside to be provided with the speed measuring mechanism in magnetic ring 502 top, be provided with in the magnetic ring 502 and link up the axle 506, the one end that links up the axle 506 is connected with output wheel 406 hub connection.

The speed measuring mechanism comprises a supporting block 504, two contacts 508 are arranged on the supporting block 504 through two supporting plates, and the contacts 508 are connected with the control system;

two annular monitoring grooves are formed in the magnetic ring 502, a plurality of scale grooves are formed between the two monitoring grooves, a scale plate 505 is arranged in each scale groove, the scale plate 505 is made of metal, one end of a contact 508 is located in each monitoring groove, and the contact 508 is in contact with the scale plate 505 when the magnetic ring 502 rotates.

The scale plate is made of metal, the two contacts are respectively connected with two conducting wires in the same circuit, when the contacts are in contact with the scale plate, the circuit is conducted, so that a control system obtains a counting signal, the control system controls the test motor to rotate through servo drive, after the control system sends a rotating signal, the test motor is connected with the monitoring box through a connecting piece, so that a magnetic force ring in the monitoring box rotates, the control system obtains a counting signal every time the magnetic force ring rotates by an angle, the accuracy of the servo drive on the position control of the test motor is obtained through calculating the counting signal, and the performance detection on the position control of the servo drive is realized; the control system controls the test motor to rotate through servo drive, and obtains the rotating speed of the test motor through calculation of a counting signal obtained within one minute, so that the performance detection of the servo drive speed control is realized; after the control system sends out a control command, the time of obtaining the counting signal is calculated to obtain the time of outputting a signal by the servo drive, and the reaction time of the servo drive is obtained by calculating the time of sending out the command by the control system and the time of outputting the signal by the servo drive.

The bearing is installed at the inboard one side of linking axle 506 of magnetic ring 502, installs bracing piece 507 on the bearing, and bracing piece 507 is fixed with monitoring box 5 inner wall.

The working principle of the invention is as follows:

a detection person installs a servo drive 7 to be detected on a bottom plate 205, and pushes the servo drive 7 into a test box 2 by manually pushing a box plate 202, a potential needle 208 on an adjusting plate 207 is subjected to position adjustment under the control of an upper computer 6, coils on a side slide rail and a side slide rail 2071 are electrified, the side slide rail 2071 is in butt joint with the side slide rail at the moment, so that a sliding plate slides to the side slide rail 2071 under the driving of a permanent magnet, then the side slide rail 2071 moves on a vertical slide rail 2072, a plurality of potential needles 208 are gathered together to form a terminal row connected with the servo drive 7, a dislocation cylinder 2074 pushes the vertical slide rail 2072, the vertical slide rail 2072 drives the potential needles 208 forming the terminal row to be dislocated with the potential needles 208 on a bearing plate, further, the potential needles 208 on the bearing plate are prevented from influencing the connection between the terminal row and the servo drive 7, and after the servo drive 7 is completely pushed into the test box 2, the formed terminal strip is automatically inserted into the port of the servo driver 7 to realize the connection with the servo driver 7.

The control system generates a control instruction to the servo drive 7 under the control of the upper computer 6, the servo drive 7 controls the test motor 3 according to the control instruction, a motor shaft of the test motor 3 is connected with the connecting clamps 401, the two connecting clamps 401 clamp the motor shaft, the test motor 3 drives the transfer wheel 405 to rotate through the bottom ring 402, and then the output wheel 406 drives the magnetic ring 502 to rotate through the connecting shaft 506.

When the magnetic ring 502 rotates, the contact 508 contacts with the scale plate 505, when the circuit is conducted, the control system counts once, the control system controls the test motor 3 to rotate through the servo drive 7, after the control system sends a rotation signal, the test motor 3 is connected with the monitoring box 5 through the connecting piece 4, the magnetic ring 502 in the monitoring box 5 rotates, the control system obtains a counting signal every time the magnetic ring 502 rotates by an angle, the accuracy of the servo drive 7 for controlling the position of the test motor 3 is obtained through calculating the counting signal, and the performance detection of the position control of the servo drive 7 is realized; the control system controls the test motor 3 to rotate through the servo drive 7, and the rotating speed of the test motor 3 is obtained through calculation of a counting signal obtained within one minute, so that the performance detection of the speed control of the servo drive 7 is realized; after the control system sends out a control instruction, the time for obtaining the counting signal is calculated to obtain the time for outputting the signal by the servo driver 7, and the reaction time of the servo driver 7 is obtained by calculating the time for sending out the instruction by the control system and the time for outputting the signal by the servo driver 7.

The detection circuit of output current is installed on the communication circuit between servo drive 7 and test motor 3, the detection circuit detects the output current of servo drive 7, and transmit the detection data to upper computer 6 through control system, upper computer 6 judges the heat dispersion of servo drive 7 through the contrast of temperature and output current, the magnitude of output current is influenced by the temperature, through the detection to the magnitude of output current, calculate the temperature inside servo drive 7, contrast through the temperature that inside temperature and temperature sensor detected, thereby calculate the heat dispersion of servo drive 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a comprehensive properties test machine for servo is presented to electricity which characterized in that: the performance testing machine comprises a testing table (1), wherein a testing box (2), a testing motor (3), a connecting piece (4), a monitoring box (5) and an upper computer (6) are arranged on the testing table (1), a plurality of servo drives (7) are arranged in the testing box (2), the testing box (2) enables the servo drives (7) to be sequentially communicated with the testing motor (3), the testing motor (3) is connected with a monitoring box (5) through the connecting piece (4) in a shaft mode, and the testing box (2) and the monitoring box (5) are communicated with the upper computer (6) through a control system;

an adjusting plate (207) is arranged in the test box (2) corresponding to each servo drive (7), a plurality of potential pins (208) are arranged on each adjusting plate (207), the adjusting plates (207) adjust the positions of the potential pins (208) according to the types of the servo drives (7), the potential pins (208) are electrically connected with pins of the servo drives (7), and the adjusting plates (207) are electrically connected with a control system;

inside a plurality of baffles (201) that are provided with of test box (2), slidable mounting has boxboard (202), every on test box (2) between per two adjacent baffles (201) be provided with two curb plates (203), two on boxboard (202) be provided with bottom plate (205) between curb plate (203), inside one side at every curb plate (203) of test box (2) all is provided with backup pad (204), backup pad (204) and curb plate (203) sliding connection, adjusting plate (207) are located between two adjacent baffles (201), place on bottom plate (205) servo drive (7), every two adjacent all be provided with temperature sensor between baffle (201).

2. The comprehensive performance testing machine for an electric feed servo device according to claim 1, wherein: an upper supporting plate (206) is arranged at one end, far away from the box plate (202), of the bottom plate (205), a wedge-shaped block is arranged below the upper supporting plate (206), one end of the wedge-shaped block penetrates through the bottom plate (205), an ejector rod is arranged inside the test box (2) and below the box plate (202), and a pulley is arranged on the ejector rod;

adjusting plate (207) inside is provided with two vertical slide rail (2072), vertical slide rail (2072) below is provided with dislocation jar (2074), two be provided with the loading board between vertical slide rail (2072), be provided with a plurality of side slide rail on the loading board, equal slidable mounting has slide, a plurality of on the side slide rail electric potential needle (208) set up on the slide, every equal slidable mounting has a plurality of side to move slide rail (2071) on vertical slide rail (2072), the slide moves to the side through the magnetic field and moves on slide rail (2071).

3. The comprehensive performance testing machine for the electric feed servo device according to claim 2, wherein: link up union piece (4) including linking up the shell, link up and seted up logical groove on the shell, link up inside two adaptation poles (403) that are provided with of shell, every all be provided with the slider on adaptation pole (403), be provided with the clamping bar on the slider, two be provided with end ring (402) between the clamping bar, the shifting chute has been seted up to symmetry on end ring (402), every all be provided with centre gripping slide rail (408) in the shifting chute, install the centre gripping slide on centre gripping slide rail (408), install linking clamp (401) on the centre gripping slide, the centre gripping slide passes through the magnetic field and moves on centre gripping slide rail (408), two link up clamp (401) and mutually support the centre gripping of realization to the motor shaft.

4. A comprehensive performance testing machine for an electric feed servo device as claimed in claim 3, characterized in that: a middle rotating wheel (405) and an output wheel (406) are arranged in the connecting shell, a plurality of connecting rods (404) are arranged on the end face, far away from the connecting clamp (401), of one side of the bottom ring (402), a plurality of transfer rods are arranged on the middle rotating wheel (405), a plurality of output wheel rods (407) are arranged on the output wheel (406), the connecting rods (404) and the transfer rods are arranged in a crossed mode, and the output wheel rods (407) and the transfer rods are arranged in a crossed mode;

the bottom ring (402) is provided with a linkage sliding groove (409), and the linkage sliding groove (409) is connected with the two clamping rods in a sliding mode.

5. The comprehensive performance testing machine for the electric feed servo device as claimed in claim 4, wherein: the utility model discloses a monitoring box, including monitoring box (5), monitoring box, magnetic block (501), magnetic ring (502), monitoring box, auxiliary magnetic plate (503), monitoring box (5) is inside to be provided with magnetic block (501) inside magnetic block (501), be provided with magnetic field plate on magnetic block (501), be provided with coil in the magnetic field plate, the coil is connected with control system, monitoring box (5) is inside to rotate in magnetic block (501) top and install magnetic ring (502), be provided with in magnetic ring (502) and link up axle (506), the one end and the output wheel (406) hub connection of linking up axle (506).

6. The comprehensive performance testing machine for the electric feed servo device according to claim 5, wherein: the speed measuring mechanism comprises a supporting block (504), two contacts (508) are arranged on the supporting block (504) through two supporting plates, and the contacts (508) are connected with a control system;

two annular monitoring grooves are formed in the magnetic ring (502), a plurality of scale grooves are communicated between the monitoring grooves, each scale groove is internally provided with a scale plate (505), the scale plates (505) are made of metal materials, one end of each contact (508) is located in the monitoring groove, and the contacts (508) are in contact with the scale plates (505) when the magnetic ring (502) rotates.

7. The comprehensive performance testing machine for the electric feed servo device according to claim 6, wherein: the bearing is installed to magnetic ring (502) inboard one side of linking up axle (506), install bracing piece (507) on the bearing, bracing piece (507) are fixed with monitoring case (5) inner wall.

8. The comprehensive performance testing machine for an electric feed servo device according to claim 1, wherein: and a detection circuit for outputting current is arranged on a communication circuit between the servo drive (7) and the test motor (3), and the detection circuit detects the output current of the servo drive (7) and transmits the detected current data to the upper computer (6) through a control system.

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