CN113777436A

CN113777436A - Energy-saving detection device for electric feed servo equipment

Info

Publication number: CN113777436A
Application number: CN202111327000.9A
Authority: CN
Inventors: 章明; 夏志杰; 徐林森; 朱志伟
Original assignee: Jiangsu Cascc Intelligent Industrial Equipment Co ltd
Current assignee: Jiangsu Cascc Intelligent Industrial Equipment Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2021-12-10
Anticipated expiration: 2041-11-10
Also published as: CN113777436B

Abstract

The invention discloses an energy-saving detection device for an electric feed servo device, and relates to the technical field of energy-saving detection of servo devices. The electric energy detection assembly has the advantages of convenient and quick detection process, visual detection result and great reduction of the use threshold of the detection device. The load adjusting part realizes real-time adjustment of the load by adjusting different control boxes, and the servo equipment does not need to be stopped in the process of adjusting the load, so that the detection speed and the continuity of detection values are greatly improved.

Description

Energy-saving detection device for electric feed servo equipment

Technical Field

The invention relates to the technical field of energy-saving detection of servo equipment, in particular to an energy-saving detection device of electric feed servo equipment.

Background

The electric feed servo equipment is used as an important driving structure in the field of automation and is applied to various automatic production lines. The electric feed servo device generally comprises a servo driver and a servo motor, wherein the servo driver receives an external signal and controls the position, the speed, the moment and the like of the servo motor. The power consumption of different power feed servo equipment has certain difference in the using process, and the detection of the energy conservation of the power feed servo equipment is an important index for judging the quality of the power feed servo equipment. However, the energy-saving detection of the traditional servo electric feed equipment is carried out manually, on one hand, the servo electric feed equipment needs to be stopped to adjust the simulated load of the servo motor, so that the detection speed is greatly reduced, on the other hand, the simulated load is made according to the specified specification, the load with fixed weight can be increased each time, the linear adjustment of the load cannot be realized, and the detection result is limited. During normal use, the servo drivers are installed in the control cabinet in a centralized manner, while the control cabinet of the equipment in the factory is arranged separately, and the internal working environment is stable. However, when the energy-saving detection of the electric feed servo equipment is carried out, the servo driver and the servo motor need to be separately and intensively detected, and the servo driver is easily influenced by the vibration and the heat of the motor in the detection process.

Disclosure of Invention

The invention aims to provide an energy-saving detection device for an electric feed servo device, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a servo equipment energy-conservation nature detection device is presented to electricity, includes electric energy determine module, load simulation subassembly, damper box, lower frame, and electric energy determine module, load simulation subassembly, damper box and lower frame upper surface fastening connection, the damper box setting leans on marginal one side at lower frame upper surface, and electric energy determine module sets up the one side that is close to the lower frame center at the damper box, and load simulation subassembly sets up the one side of keeping away from the damper box at electric energy determine module. The invention detects the electric feed servo equipment, the electric feed servo equipment comprises a servo driver and a servo motor, the servo driver is arranged in a shock absorption box, the servo motor is arranged on a load simulation assembly, the load simulation assembly provides a load for the servo motor, and an electric energy detection assembly detects the electric variable in a circuit in real time and outputs the electric variable in a waveform form. The electric energy detection assembly realizes accurate detection on the energy conservation of the electric feed servo equipment, fully displays the detection details, is convenient and quick in the whole detection process, has visual detection results, and greatly reduces the use threshold of the detection device. The load simulation assembly can carry out omnibearing simulation on the motor load and the operation environment, and the detection accuracy is greatly improved. Load adjusting part has realized the real-time adjustment to the load through adjusting different control boxes to at the in-process servo equipment of adjustment load need not shut down, the promotion of very big degree detects speed, and the continuity of detecting numerical value. The damping box provides a stable working environment for the servo driver, and adjusts the external working state of the servo driver by using the vibration energy output by the motor, so that the influence of independent variables on the detection result in the detection process is avoided.

Furthermore, the electric energy detection assembly comprises a capacitor filter, a digital oscilloscope and a magnetic bead, the capacitor filter is connected with the input end of the digital oscilloscope in series, the digital oscilloscope is fixedly connected with the upper surface of the lower frame, and the magnetic bead is connected with the output end of the external power supply. The invention accesses the digital oscilloscope to a circuit between the servo driver and the servo motor, detects the input voltage, current and other electrical variable signals of the motor through the digital oscilloscope, outputs the detection result in a waveform form, inputs the detection result to the interactive terminal, and most intuitively displays the current, voltage, power and power consumption of the servo motor working under each working condition under the control of the servo driver in a waveform curve form. The invention realizes accurate detection of the energy conservation of the electric feed servo equipment by the mode, fully displays the detection details, has convenient and quick whole detection process and intuitive detection result, and greatly reduces the use threshold of the detection device. The magnetic beads arranged in the invention can be used as power supply filtering, so that the interference of RF noise in a transmission line is eliminated, and the detection precision of the digital oscilloscope is improved. The capacitor filter can eliminate the burrs in the waveform signal, so that the waveform transmitted by the digital oscilloscope is smoother and more visual.

Further, the load simulation assembly comprises a positioning component, a supporting plate, a load adjusting component, a positioning component, a load adjusting component and a supporting plate upper surface are fastened and connected, a supporting plate lower surface and a lower rack upper surface are fastened and connected, the positioning component comprises a fixed support, an annular sleeve, a sealing plate, a three-jaw chuck and a fixed ring, the annular sleeve and the supporting plate upper surface are fastened and connected, the fixed support is arranged inside the annular sleeve, the fixed ring and the supporting plate upper surface are fastened and connected, one end of the annular sleeve is sealed, the other end of the annular sleeve is open, the fixed ring is arranged at one end close to the annular sleeve, the fixed ring and the supporting plate are fastened and connected, the sealing plate is connected with the open end of the annular sleeve through a bolt, an opening is arranged at the central position of the sealing plate, the three-jaw chuck is arranged in the fixed ring, the three-jaw chuck is rotatably connected with the fixed ring, one end of the three-jaw chuck, which is far away from the annular sleeve, is fastened and connected with the load adjusting component, the side wall of the annular sleeve is provided with an air inlet hole and an air outlet hole. The fixing support has a height adjusting function, a servo motor to be detected is fixed on the fixing support, the height of the servo motor is adjusted, an output shaft of the servo motor is coaxial with an opening in the center of the sealing plate, the output shaft of the servo motor is rotatably connected with the sealing plate through a bearing, and the output shaft of the servo motor is fixedly connected with the three-jaw chuck. The air inlet holes arranged on the side wall of the annular sleeve are communicated with an external air conditioner through a pipeline, and the temperature inside the annular sleeve is controlled by inputting air flow to simulate the working temperature of the servo motor. The load adjusting part transmits resistance to the servo motor through the three-jaw chuck, and the working condition of the servo motor under different load conditions is simulated.

Furthermore, the load adjusting part comprises a load shaft, a load disc, a displacement magnetic strip, a solenoid, a mounting ring, a connecting ring, a fixed cover and a control box, one end of the load shaft is fixedly connected with one side of the three-jaw chuck far away from the sealing plate, one end of the load shaft far away from the three-jaw chuck is rotatably connected with the fixed cover, the mounting ring is sleeved outside the load shaft, one end of the mounting ring is fixedly connected with the fixed ring, the other end of the mounting ring is fixedly connected with the fixed cover, the fixed cover is fixedly connected with the supporting plate, the connecting ring is arranged on the side wall of the inner ring of the mounting ring, the connecting ring is rotatably connected with the load disc, the connecting ring and the load disc are provided with a plurality of groups, a plurality of strip-shaped cavities are arranged in the load disc, the displacement magnetic strip-shaped cavities are slidably connected with the strip-shaped cavities, an annular mounting cavity is arranged in the mounting ring, a coil disc is arranged in the annular mounting cavity, the coil disc is the same as the number of the coil disc, and consists of a plurality of solenoids, the solenoid is annular evenly distributed around the load dish, and the last winding coil end to end of solenoid links to each other, and one of them coil of adjacent solenoid is towards the one end of load dish and another one end of keeping away from the load dish link to each other, and the wire input end, the output and the control box of coil dish link to each other, and control box and collar outer wall fastening connection are provided with the slot on the load axle, slot position and displacement magnetic stripe one-to-one. When the power supply is in an initial state, the solenoid is powered on, the magnetic field generated by the solenoid is opposite to the magnetic pole on one side corresponding to the displacement magnetic stripe, the displacement magnetic stripe is adsorbed by the solenoid, no load is arranged on a load shaft at the moment, when the energy saving performance of the power supply servo equipment needs to be detected, the power consumption of the power supply servo equipment under different load conditions needs to be detected, the current direction of the solenoid is controlled and changed by a corresponding load disk at the moment, the direction of the magnetic field generated by the whole coil disk is reversed, the displacement magnetic stripe is pressed to the load shaft by repulsive force, the load shaft can be inserted into the slot in the rotating process, the load disk synchronously rotates along with the load shaft, the direction of the displacement magnetic stripe continuously changes in the rotating process, but the magnetic field is generated by the plurality of solenoids by the coil disk together, and the displacement magnetic stripe is always compressed in the slot in the rotating process. The invention realizes real-time adjustment of the load by adjusting different control boxes, and the servo equipment does not need to be stopped in the process of adjusting the load, thereby greatly improving the detection speed and the continuity of the detection value.

Furthermore, the load adjusting component also comprises a pressure adjusting magnetic block and a friction pad, the connecting ring is provided with a plurality of pressure adjusting grooves, the pressure adjusting magnetic block, the friction pad and the pressure adjusting grooves are in sliding connection, the pressure adjusting magnetic block and the friction pad are in fastening connection, the friction pad is positioned on one side close to the load disc, a change-over switch and a sliding rheostat are arranged inside the control box, a scale is arranged outside the control box, the change-over switch, the sliding rheostat and the bottom surface inside the control box are in fastening connection, the scale and the adjusting rod of the sliding rheostat are in corresponding positions, a lead on the coil disc is connected with the change-over switch, and the sliding rheostat is connected in series with the lead of the coil disc. The slide rheostat adopted by the invention uses a large-resistance wire, the scale can visually reflect the adjustment quantity of the access resistance, the change-over switch is used for switching the direction of input current, the change-over switch is a conventional technical means in the field, the specific structure is not described, after the direction of the coil panel is switched, the magnetic field direction of each solenoid is changed, the pressure regulating magnetic blocks are originally attracted by the solenoids, after the change-over switch switches the current direction, the pressure regulating magnetic blocks are subjected to repulsion force, the friction pads can generate friction with the load panel, when the slide rheostat is adjusted, the resistance in a circuit is reduced, the current is increased, the magnetic field force generated by the solenoids is increased, the friction force of the friction pads on the load panel is increased, and the torque required by the rotation of a single load panel is increased. Compared with the magnetic force generated by a solenoid, the magnetic force generated by the single pressure regulating magnetic block can not greatly influence the movement of the displacement magnetic strip, and the maximum resistance generated by the friction pad is larger than the resistance of a new load disk in an access resistance unadjusted state, so that the load provided by the load regulating component can be continuously adjustable, the conventional load can only be increased in a step manner, and data can be faulted during testing, thereby being not beneficial to detecting the energy conservation of the electric feed servo equipment. By the matched use of the load disc and the plurality of groups of friction pads, the linear adjustment of the load in the operation process of the equipment is realized, and the integrity of the output curve of the detection device is greatly improved.

Further, the one end that the displacement magnetic stripe is close to the load axle is provided with the pulley, the epaxial slot both sides of load are provided with the landslide, the landslide is close to slot position department and is provided with the guiding hole, be provided with the guide block in the guiding hole, reset spring, guide block and guiding hole sliding connection, reset spring one end and guide block fastening connection, reset spring keeps away from the one end of guide block and the inside bottom face fastening connection of guiding hole, reset spring's one end is kept away from to the guide block is trapezoidal profile, the slot is close to the high one side of trapezoidal face, the low one end of trapezoidal face and landslide parallel and level. When the displacement magnetic stripe moves in to the slot of load axle, the load axle is being in the rotation state, the pulley that sets up on the displacement magnetic stripe can reduce the friction between displacement magnetic stripe and the load axle, the life of extension equipment, the pulley is along load axle circumferential motion, the landslide can guide the moving direction of pulley, the pulley removes along the landslide and can produce the extrusion to the guide block, guide block compression reset spring, when the pulley gets into the slot, the terminal surface of displacement magnetic stripe can withstand the higher one side of guide block trapezoidal face, displacement magnetic stripe opposite side is blocked by the guide block this moment, the displacement magnetic stripe can be smooth enter into the slot under the pivoted state. The invention realizes the combination of the load disk and the load shaft in a rotating state by the mode, and greatly improves the working efficiency of the detection device.

Further, the shock attenuation case includes the outer box, interior box, the buffering gasbag, outer box and lower frame upper surface fastening connection, interior box sets up in outer box internal portion, be provided with a plurality of buffering gasbag between outer box and the interior box, buffering gasbag one end and interior box outer wall fastening connection, the buffering gasbag other end and outer box inner wall fastening connection, buffering gasbag and outer box body coupling one end are provided with the inlet port, the inside one-way admission valve that is provided with of inlet port, be provided with one-way air outlet valve on the buffering gasbag lateral wall, be provided with a plurality of venthole on the outer box lateral wall, the inside one-way air outlet valve that is provided with of venthole. In the conventional use process, the servo drivers are installed in the control cabinet in a centralized way, while the control cabinet of the equipment in the factory is arranged separately, and the internal working environment is stable. However, when the energy-saving detection of the electric feed servo equipment is carried out, the servo driver and the servo motor need to be separately and intensively detected, and the servo driver is easily influenced by the vibration and the heat of the motor in the detection process. The servo driver is arranged in the inner box body, when the outer box body is vibrated, vibration energy is counteracted by each buffering air bag, the selected buffering air bag has an automatic reset function, when the buffering air bags vibrate, the vibration energy can change the volume of the buffering air bags, when the volume of the buffering air bags is increased, air can be sucked into the buffering air bags through the air inlet holes, when the volume of the buffering air bags is reduced, air can be exhausted between the outer box body and the inner box body, the vibration energy is converted into kinetic energy of the air, and the heat dissipation effect outside the inner box body is improved.

Further, the inside friction ring that is provided with of buffering gasbag, the inside wall fastening connection of friction ring and buffering gasbag, the friction ring has a plurality of, and the crisscross setting of a plurality of friction ring is inside buffering gasbag. When buffering gasbag vibration, can produce the friction between the adjacent friction ring, adjacent friction ring adopts the different materials of electric charge adhesive force to make, and in the friction process, the friction ring can be electrified, and the flying dust of mixing in the gas that gets into buffering gasbag from outer external box is adsorbed by the friction ring, has avoided irrelevant variable to cause the influence to the testing result in the testing process, the promotion of very big degree detects the accuracy.

Compared with the prior art, the invention has the following beneficial effects: the electric energy detection assembly realizes accurate detection on the energy conservation of the electric feed servo equipment, fully displays the detection details, is convenient and quick in the whole detection process, has visual detection results, and greatly reduces the use threshold of the detection device. The load simulation assembly can carry out omnibearing simulation on the motor load and the operation environment, and the detection accuracy is greatly improved. Load adjusting part has realized the real-time adjustment to the load through adjusting different control boxes to at the in-process servo equipment of adjustment load need not shut down, the promotion of very big degree detects speed, and the continuity of detecting numerical value. The damping box provides a stable working environment for the servo driver, the damping air bag reduces vibration energy received by the servo driver on one hand, and guides air flow on the other hand, so that the local heat dissipation effect is increased, and the vibration energy output by the motor is utilized to adjust the external working state of the servo driver, so that the influence of irrelevant variables on the detection result in the detection process is avoided.

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 cross-sectional view of the internal structure of the load-adjusting part of the present invention;

FIG. 3 is a side sectional view A-A of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

FIG. 5 is a schematic view of the combination of the displacement magnetic strip and the slot of the present invention;

FIG. 6 is a schematic view of the internal structure of the control box of the present invention;

FIG. 7 is a schematic view of the internal structure of the shock box of the present invention;

FIG. 8 is a partial cross-sectional view of a cushioning bladder of the present invention;

in the figure: 1-electric energy detection component, 11-capacitance filter, 12-digital oscilloscope, 2-load analog component, 21-positioning component, 211-fixing bracket, 212-annular sleeve, 213-sealing plate, 214-three-jaw chuck, 215-fixing ring, 22-supporting plate, 23-load adjusting component, 231-load shaft, 2311-guide block, 2312-reset spring, 232-load disk, 233-displacement magnetic strip, 234-solenoid, 235-mounting ring, 236-connecting ring, 237-fixing cover, 238-control box, 2381-change-over switch, 2382-slide rheostat, 2383-scale, 239-pressure adjusting magnetic block, 2310-friction pad, 3-damping box, 31-outer box, 32-inner box body, 32-outer box body, 32-inner box body, 33-buffer air bag, 331-friction ring and 4-lower frame.

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. 1-8, the present invention provides the following technical solutions:

as shown in figures 1-8, a servo equipment energy-conservation nature detection device is presented to electricity, including electric energy detection subassembly 1, load simulation subassembly 2, surge tank 3, undercarriage 4, electric energy detection subassembly 1, load simulation subassembly 2,

surge tank

3 and 4 upper surface fastenings of undercarriage are connected, surge tank 3 sets up 4 upper surfaces of undercarriage and leans on marginal one side down, electric energy detection subassembly 1 sets up the one side that is close to undercarriage 4 centers at surge tank 3, load simulation subassembly 2 sets up the one side that is far away from surge tank 3 at electric energy detection subassembly 1. The invention detects the electric feed servo equipment, the electric feed servo equipment comprises a servo driver and a servo motor, the servo driver is arranged in a shock absorption box 3, the servo motor is arranged on a load simulation component 2, the load simulation component 2 provides a load for the servo motor, and an electric energy detection component detects the electric variable in a circuit in real time and outputs the electric variable in a waveform form. The electric energy detection assembly 1 provided by the invention realizes accurate detection of energy conservation of the electric feed servo equipment, fully displays detection details, is convenient and quick in the whole detection process, has a visual detection result, and greatly reduces the use threshold of a detection device. The load simulation assembly 2 can carry out omnibearing simulation on the motor load and the operation environment, and the detection accuracy is greatly improved. The load adjusting part 23 adjusts the load in real time by adjusting different control boxes 238, and the servo equipment does not need to be stopped in the process of adjusting the load, so that the detection speed and the continuity of the detection value are improved to a great extent. The damping box provides a stable working environment for the servo driver, and adjusts the external working state of the servo driver by using the vibration energy output by the motor, so that the influence of independent variables on the detection result in the detection process is avoided.

The electric energy detection assembly 1 comprises a capacitor filter 11, a digital oscilloscope 12 and a magnetic bead, wherein the capacitor filter 11 is connected with the input end of the digital oscilloscope 12 in series, the digital oscilloscope 12 is fixedly connected with the upper surface of the lower frame, and the magnetic bead is connected with the output end of an external power supply. The invention connects the digital oscilloscope 12 to the circuit between the servo driver and the servo motor, detects the electrical variable signals such as input voltage, current and the like of the motor through the digital oscilloscope 12, outputs the detection result in the form of waveform, inputs the detection result to the interactive terminal, and can most intuitively display the current, voltage, power and power consumption of the servo motor working under each working condition under the control of the servo driver in the form of waveform curve. The invention realizes accurate detection of the energy conservation of the electric feed servo equipment by the mode, fully displays the detection details, has convenient and quick whole detection process and intuitive detection result, and greatly reduces the use threshold of the detection device. The magnetic beads arranged in the invention can be used as power supply filtering, so that the interference of RF noise in a transmission line is eliminated, and the detection precision of the digital oscilloscope 12 is improved. The capacitor filter 11 can eliminate the glitch in the waveform signal, so that the waveform transmitted by the digital oscilloscope 12 is smoother and more visual.

The load simulation assembly 2 comprises a positioning component 21, a support plate 22, a load adjusting component 23, the positioning component 21, the load adjusting component 23 and the upper surface of the support plate 22 are fixedly connected, the lower surface of the support plate 22 and the upper surface of the lower frame 4 are fixedly connected, the positioning component 21 comprises a fixed support 211, an annular sleeve 212, a sealing plate 213, a three-jaw chuck 214 and a fixing ring 215, the annular sleeve 212 and the upper surface of the support plate 22 are fixedly connected, the fixed support 211 is arranged inside the annular sleeve 212, the fixing ring 215 and the upper surface of the support plate 22 are fixedly connected, one end of the annular sleeve 212 is sealed, the other end of the annular sleeve 212 is open, the fixing ring 215 is arranged at one end close to the opening of the annular sleeve 212, the fixing ring and the support plate are fixedly connected, the sealing plate 213 is connected with the open end of the annular sleeve 212 through a bolt, the central position of the sealing plate 213 is provided with an opening, the three-jaw chuck 214 is arranged in the fixing ring 215, the three-jaw chuck 214 and the fixing ring 215 are rotatably connected, the end of the three-jaw chuck 214 far away from the annular sleeve 212 is tightly connected with the load adjusting part 23, and the side wall of the annular sleeve 212 is provided with an air inlet hole and an air outlet hole. The fixing support 211 has a height adjusting function, a servo motor to be detected is fixed on the fixing support 211, the height of the servo motor is adjusted, an output shaft of the servo motor is coaxial with an opening in the center of the sealing plate 213, the output shaft of the servo motor is rotatably connected with the sealing plate 213 through a bearing, and the output shaft of the servo motor is fixedly connected with the three-jaw chuck 214. The air inlet holes arranged on the side wall of the annular sleeve are communicated with an external air conditioner through a pipeline, and the temperature inside the annular sleeve is controlled by inputting air flow to simulate the working temperature of the servo motor. The load adjusting part transmits resistance to the servo motor through the three-jaw chuck, and the working condition of the servo motor under different load conditions is simulated.

The load adjusting component 23 comprises a load shaft 231, a load disc 232, a displacement magnetic strip 233, a solenoid 234, a mounting ring 235, a connecting ring 236, a fixed cover 237 and a control box 238, wherein one end of the load shaft 231 is fixedly connected with one side of the three-jaw chuck 214 far away from the sealing plate 213, one end of the load shaft 231 far away from the three-jaw chuck 214 is rotatably connected with the fixed cover 237, the mounting ring 235 is sleeved outside the load shaft 231, one end of the mounting ring 235 is fixedly connected with the fixed ring 215, the other end of the mounting ring 235 is fixedly connected with the fixed cover 237, the fixed cover 237 is fixedly connected with the support plate 22, the connecting ring 236 is arranged on the inner ring side wall of the mounting ring 235, the connecting ring 236 is rotatably connected with the load disc 232, the connecting ring 236 and the load disc 232 have a plurality of groups, a plurality of strip-shaped cavities are arranged in the load disc 232, the displacement magnetic strip 233 is slidably connected with the strip-shaped cavities, an annular mounting cavity is arranged in the mounting ring 235, a coil disc is arranged in the annular mounting cavity, the coil panel and the load panel 232 are the same in number, the coil panel is composed of a plurality of solenoids 234, the solenoids 234 are uniformly distributed in a ring shape around the load panel, the coils wound on the solenoids 234 are connected end to end, one end, facing the load panel 232, of one of the adjacent solenoids 234 is connected with one end, far away from the load panel 232, of the other end, the input end and the output end of a lead of the coil panel are connected with a control box 238, the control box 238 is fixedly connected with the outer wall of a mounting ring 235, slots are formed in the load shaft 231, and the positions of the slots correspond to the positions of the displacement magnetic strips 233 one by one. In the initial state, the solenoid 234 is energized, the magnetic field generated by the solenoid is opposite to the magnetic pole of the displacement magnetic stripe 233, the displacement magnetic stripe 233 is attracted by the solenoid 234, and no load is applied to the load shaft 231, when the energy saving performance of the electric feeding servo equipment needs to be detected, the power consumption of the electric feeding servo equipment needs to be detected under different load conditions, at the moment, the direction of the magnetic field generated by the whole coil disc is reversed by controlling and changing the current direction of the solenoid 234 through the corresponding load disc 232, the displacement magnetic strip 233 is pressed to the load shaft 231 by the repulsive force, the displacement magnetic strip 233 is inserted into the slot in the rotating process of the load shaft 231, the load disc 232 synchronously rotates along with the load shaft 231, the orientation of the displacement strip changes during rotation, but since the coil disk is collectively provided with a magnetic field by the plurality of solenoids 234, the displacement strip 233 is always pressed into the slot during rotation. The invention realizes real-time adjustment of the load by adjusting different control boxes, and the servo equipment does not need to be stopped in the process of adjusting the load, thereby greatly improving the detection speed and the continuity of the detection value.

The load adjusting component 23 further comprises a pressure adjusting magnet 239 and a friction pad 2310, a plurality of pressure adjusting grooves are formed in the connecting ring 236, the pressure adjusting magnet 239, the friction pad 2310 are in sliding connection with the pressure adjusting grooves, the pressure adjusting magnet 239 and the friction pad 2310 are in fastening connection, the friction pad 2310 is located on one side close to the load disk 232, a change-over switch 2381 and a slide rheostat 2382 are arranged inside the control box 238, a scale 2383 is arranged outside the control box 238, the change-over switch 2381, the slide rheostat 2382 and the inner bottom surface of the control box 238 are in fastening connection, the scale 2383 corresponds to the position of the adjusting rod of the slide rheostat 2382, a conducting wire on the coil disk is connected with the change-over switch, and the slide rheostat is connected in series with the conducting wire of the coil disk. The slide rheostat 2382 adopted by the invention is a lead wire with a large resistance value, the scale 2383 can visually reflect the adjustment amount of the access resistance, the switch 2381 is used for switching the direction of input current, the switch 2381 is a conventional technical means in the field, the specific structure is not described, after the direction of a coil disc is switched, the direction of a magnetic field of each solenoid 234 is changed, the pressure regulating magnetic blocks 239 are originally attracted by the solenoids 234, after the switch 2381 switches the direction of current, the pressure regulating magnetic blocks 239 are subjected to repulsion force, the friction pads 2310 can rub against the load disc 232, when the slide rheostat 2382 is adjusted, the resistance in the circuit is reduced, the current is increased, the magnetic field force generated by the solenoids 234 is increased, the friction force of the friction pads 2310 on the load disc 232 is increased, and the torque required by the rotation of a single load disc 232 is increased. Compared with the magnetic force generated by the solenoid 234, the magnetic force generated by the single pressure regulating magnetic block 239 of the invention is smaller, and can not generate great influence on the movement of the displacement magnetic strip, and the maximum resistance generated by the friction pad 2310 of the invention is larger than the resistance of a new load disk 232 in an access resistance unadjusted state, so that the load provided by the load regulating component 23 of the invention is continuously adjustable, while the conventional load can only be increased in a step manner, and data can generate a fault during testing, thereby being not beneficial to the detection of the energy conservation of the electric feed servo equipment. By the matching use of the load disc 232 and the multiple groups of friction pads 2310, the linear adjustment of the load in the operation process of the equipment is realized, and the integrity of the output curve of the detection device is greatly improved.

The one end that displacement magnetic stripe 233 is close to load axle 231 is provided with the pulley, the slot both sides on the load axle 231 are provided with the landslide, the landslide is close to slot position department and is provided with the guiding hole, be provided with guide block 2311 in the guiding hole, reset spring 2312, guide block 2311 and guiding hole sliding connection, reset spring 2312 one end and guide block 2311 fastening connection, reset spring 2312 keeps away from the one end of guide block 2311 and the inside bottom face fastening connection of guiding hole, the one end that reset spring 2312 was kept away from to guide block 2311 is trapezoidal profile, the slot is close to the high one side of trapezoidal face, the low one end of trapezoidal face and the landslide parallel and level. When the displacement magnetic stripe 233 moves into the slot of the load shaft 231, the load shaft 231 is in a rotating state, the pulley arranged on the displacement magnetic stripe 233 can reduce friction between the displacement magnetic stripe 233 and the load shaft 231, the service life of the device is prolonged, the pulley moves along the circumferential direction of the load shaft 231, a landslide can guide the moving direction of the pulley, the pulley moves along the landslide and can extrude the guide block 2311, the guide block 2311 compresses the reset spring 2312, when the pulley enters the slot, the end face of the displacement magnetic stripe 233 can support the higher side of the trapezoidal surface of the guide block 2311, the other side of the displacement magnetic stripe 233 is blocked by the guide block 2311, and the displacement magnetic stripe 233 can smoothly enter the slot in a rotating state. The invention realizes the combination of the load disk 232 and the load shaft 231 in a rotating state by the mode, and greatly improves the working efficiency of the detection device.

The surge tank 3 includes outer box 31, interior box 32, buffering gasbag 33, surface fastening connection on outer box 31 and the lower frame 4, interior box 32 sets up inside outer box 31, be provided with a plurality of buffering gasbag 33 between outer box 31 and the interior box 32, buffering gasbag 33 one end and the fastening connection of interior box 32 outer wall, the buffering gasbag 33 other end and the 31 inner wall fastening connection of outer box, buffering gasbag 33 and the 31 one end of connecting of outer box are provided with the inlet port, the inside one-way admission valve that is provided with of inlet port, be provided with the one-way air outlet valve on the buffering gasbag 33 lateral wall, be provided with a plurality of venthole on the 31 lateral walls of outer box, the inside one-way air outlet valve that is provided with of venthole. In the conventional use process, the servo drivers are installed in the control cabinet in a centralized way, while the control cabinet of the equipment in the factory is arranged separately, and the internal working environment is stable. However, when the energy-saving detection of the electric feed servo equipment is carried out, the servo driver and the servo motor need to be separately and intensively detected, and the servo driver is easily influenced by the vibration and the heat of the motor in the detection process. The servo driver is arranged in the inner box body 32, when the outer box body 31 is vibrated, vibration energy is counteracted by each buffering air bag 33, the selected buffering air bag 33 has an automatic reset function, when the buffering air bag 33 vibrates, the vibration energy can change the volume of the buffering air bag 33, when the volume of the buffering air bag 33 is increased, air can be sucked into the buffering air bag through the air inlet, when the volume of the buffering air bag 33 is reduced, air can be exhausted between the outer box body 31 and the inner box body 32, the vibration energy is converted into the kinetic energy of the air, and the heat dissipation effect of the outer part of the inner box body 32 is improved.

The inside friction ring 331 that is provided with of buffering gasbag 33, friction ring 331 and the inside wall fastening connection of buffering gasbag 33, friction ring 331 have a plurality ofly, and a plurality of friction ring 331 sets up inside buffering gasbag 33 crisscross. When the buffering airbag 33 vibrates, friction can be generated between the adjacent friction rings 331, the adjacent friction rings 331 are made of materials with different electric charge adhesion forces, in the friction process, the friction rings 331 can be electrified, flying dust mixed in gas entering the buffering airbag 33 from the outside of the outer box 31 is adsorbed by the friction rings 331, influences on detection results due to irrelevant variables in the detection process are avoided, and the detection accuracy is improved to a great extent.

The working principle of the invention is as follows: when the energy-saving performance of the electric feed servo equipment is detected, a servo motor to be detected needs to be fixed on the fixing support 211, the height of the servo motor is adjusted, the output shaft of the servo motor is coaxial with the opening in the center of the sealing plate 213, and then the output shaft of the servo motor is tightly connected with the three-jaw chuck 214. Then, the direction of the input current is switched by the adjusting control box 238, when the current direction is switched by the switch, the displacement magnetic strip 233 is inserted into the slot on the load shaft 231, the load disc rotates along with the load shaft, the pressure regulating magnetic block is subjected to repulsion force, the friction pad can generate friction with the load disc, when the slide rheostat is adjusted, the resistance in the circuit is reduced, the current is increased, the magnetic field force generated by the solenoid is increased, the friction force of the friction pad on the load disc is increased, and the torque required by the rotation of a single load disc is increased. The servo motor drives the analog load to rotate, in the rotating process, the digital oscilloscope 12 detects electrical variable signals such as input voltage, current and the like of the motor and outputs a detection result in a waveform form, the detection result is input to the interactive terminal, and the current, the voltage, the power and the power consumption of the servo motor which works under various working conditions under the control of the servo driver can be displayed most visually in a waveform curve form.

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.

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

1. The utility model provides a servo equipment energy-conservation nature detection device is presented to electricity which characterized in that: the detection device comprises an electric energy detection assembly (1), a load simulation assembly (2), a shock absorption box (3) and a lower frame (4), wherein the electric energy detection assembly (1), the load simulation assembly (2), the shock absorption box (3) and the lower frame (4) are connected in a fastening mode through upper surfaces, the shock absorption box (3) is arranged on the upper surface of the lower frame (4) and is close to one side of the edge, the electric energy detection assembly (1) is arranged on one side, close to the center of the lower frame (4), of the shock absorption box (3) in the shock absorption box (3), and the load simulation assembly (2) is arranged on one side, away from the shock absorption box (3), of the electric energy detection assembly (1).

2. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 1, wherein: the electric energy detection assembly (1) comprises a capacitor filter (11), a digital oscilloscope (12) and a magnetic bead, wherein the capacitor filter (11) is connected in series with the input end of the digital oscilloscope (12), the digital oscilloscope (12) is fixedly connected with the upper surface of the lower rack, and the magnetic bead is connected with the output end of an external power supply.

3. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 1, wherein: the load simulation assembly (2) comprises a positioning component (21), a support plate (22) and a load adjusting component (23), the positioning component (21), the load adjusting component (23) and the upper surface of the support plate (22) are fixedly connected, the lower surface of the support plate (22) is fixedly connected with the upper surface of a lower frame (4), the positioning component (21) comprises a fixed support (211), an annular sleeve (212), a sealing plate (213), a three-jaw chuck (214) and a fixed ring (215), the annular sleeve (212) and the upper surface of the support plate (22) are fixedly connected, the fixed support (211) is arranged inside the annular sleeve (212), the fixed ring (215) and the upper surface of the support plate (22) are fixedly connected, one end of the annular sleeve (212) is sealed, the other end of the annular sleeve (212) is open, the fixed ring (215) is arranged at one end close to the annular sleeve (212) which is open, the fixed ring is fixedly connected with the supporting plate, the sealing plate (213) is connected with the open end of the annular sleeve (212) through a bolt, the center of the sealing plate (213) is provided with an opening, the three-jaw chuck (214) is arranged in the fixed ring (215), the three-jaw chuck (214) is rotatably connected with the fixed ring (215), one end of the three-jaw chuck (214), which is far away from the annular sleeve (212), is fixedly connected with the load adjusting part (23), and the side wall of the annular sleeve (212) is provided with an air inlet hole and an air outlet hole.

4. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 3, wherein: the load adjusting component (23) comprises a load shaft (231), a load disc (232), a displacement magnetic strip (233), a solenoid (234), a mounting ring (235), a connecting ring (236), a fixed cover (237) and a control box (238), wherein one end of the load shaft (231) is fixedly connected with one side, away from the sealing plate (213), of the three-jaw chuck (214), one end of the load shaft (231), away from the three-jaw chuck (214), is rotatably connected with the fixed cover (237), the mounting ring (235) is sleeved outside the load shaft (231), one end of the mounting ring (235) is fixedly connected with the fixed ring (215), the other end of the mounting ring (235) is fixedly connected with the fixed cover (237), the fixed cover (237) is fixedly connected with the supporting plate (22), the connecting ring (236) is arranged on the inner ring side wall of the mounting ring (235), the connecting ring (236) is rotatably connected with the load disc (232), and the connecting ring (236), The load disc (232) is provided with a plurality of groups, a plurality of strip-shaped cavities are arranged in the load disc (232), the displacement magnetic strips (233) are connected with the strip-shaped cavities in a sliding mode, an annular mounting cavity is arranged in the mounting ring (235), a coil disc is arranged in the annular mounting cavity, the number of the coil disc is the same as that of the load disc (232), the coil disc is composed of a plurality of solenoids (234), the solenoids (234) are uniformly distributed around the load disc in an annular mode, coils wound on the solenoids (234) are connected end to end, one end, facing the load disc (232), of one of the adjacent solenoids (234) is connected with the other end, far away from the load disc (232), the lead input end and the output end of the coil disc are connected with the control box (238), the control box (238) is tightly connected with the outer wall of the mounting ring (235), and a slot is arranged on the load shaft (231), the slot positions correspond to the displacement magnetic stripes (233) one by one.

5. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 4, wherein: the load adjusting component (23) also comprises a pressure adjusting magnetic block (239) and a friction pad (2310), the connecting ring (236) is provided with a plurality of pressure regulating grooves, the pressure regulating magnetic block (239), the friction pad (2310) and the pressure regulating grooves are in sliding connection, the pressure regulating magnetic block (239) is tightly connected with a friction pad (2310), the friction pad (2310) is positioned at one side close to the load disk (232), a selector switch (2381) and a slide rheostat (2382) are arranged inside the control box (238), a scale (2383) is arranged outside the control box (238), the switch (2381), the slide rheostat (2382) and the inner bottom surface of the control box (238) are connected in a fastening way, the position of the scale (2383) corresponds to the position of an adjusting rod of the slide rheostat (2382), the wire on the coil panel is connected with a selector switch (2381), and the slide rheostat (2382) is connected in series on the wire of the coil panel.

6. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 5, wherein: the displacement magnetic stripe (233) is provided with a pulley at one end close to the load shaft (231), two sides of a slot on the load shaft (231) are provided with landslides, a guide hole is formed in the position, close to the slot, of the landslide, a guide block (2311) and a reset spring (2312) are arranged in the guide hole, the guide block (2311) is in sliding connection with the guide hole, one end of the reset spring (2312) is in fastening connection with the guide block (2311), one end, far away from the guide block (2311), of the reset spring (2312) is in fastening connection with the inner bottom end face of the guide hole, one end, far away from the reset spring (2312), of the guide block (2311) is in a trapezoidal outline, one side, high in the trapezoidal face, is close to the slot, and one end, low in the trapezoidal face, is flush with the landslide.

7. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 1, wherein: the shock absorption box (3) comprises an outer box body (31), an inner box body (32) and a buffering air bag (33), the outer box body (31) is fixedly connected with the upper surface of the lower frame (4), the inner box body (32) is arranged inside the outer box body (31), a plurality of buffer air bags (33) are arranged between the outer box body (31) and the inner box body (32), one end of the buffering air bag (33) is fixedly connected with the outer wall of the inner box body (32), the other end of the buffering air bag (33) is fixedly connected with the inner wall of the outer box body (31), one end of the buffer air bag (33) connected with the outer box body (31) is provided with an air inlet, a one-way air inlet valve is arranged in the air inlet hole, a one-way air outlet valve is arranged on the side wall of the buffering air bag (33), a plurality of air outlet holes are formed in the side wall of the outer box body (31), and one-way air outlet valves are arranged in the air outlet holes.

8. The apparatus for detecting energy saving of electric feeding servo equipment according to claim 7, wherein: the buffer airbag (33) is internally provided with a friction ring (331), the friction ring (331) is fixedly connected with the inner side wall of the buffer airbag (33), the friction ring (331) is provided with a plurality of friction rings (331), and the friction rings (331) are arranged inside the buffer airbag (33) in a staggered manner.