CN210222168U - Intelligent test wire of distribution transformer - Google Patents

Abstract

The utility model discloses an intelligent testing line for distribution transformers, which comprises a conveying line, wherein a feeding slow conveying area and a testing area are arranged on the conveying line, the material discharging slow conveying area and the material discharging area are arranged, a taking and placing platform and a taking and placing mechanical arm are arranged on the lateral portion of the testing area, a wiring fixture with a plurality of automatic knob devices and different models is placed on the taking and placing platform, a height sensor is arranged in the material feeding slow conveying area, a CCD visual sensor is arranged on the taking and placing mechanical arm, the taking and placing mechanical arm shoots and senses the height of the transformer according to the height information fed back by the height sensor and senses the position and the deflection angle information of the transformer to obtain the model and the terminal and the knob, the taking and placing mechanical arm picks the wiring fixture with the corresponding model and the automatic knob devices and butt joints the terminal and the knob of the transformer, and the taking and placing mechanical arm picks the wiring fixture and the automatic knob. The utility model has the advantages of safe and reliable, the test is accurate, can practice thrift cost, degree of automation is high.

Description

Intelligent test wire of distribution transformer

Technical Field

The utility model mainly relates to a power grid transformer tests technical field, especially relates to an intelligent test wire of distribution transformer.

Background

The transformer is always the main equipment for the construction of modern power networks and plays a key role in each link of power generation, power transmission and transformation and power distribution. In recent years, due to the large amount of infrastructure investment and the rapid development of the power industry, the transformer industry is rapidly expanded in scale and greatly increased in capacity, but the problems of low industry concentration, old technical level and the like exist. Strategic plans such as national adjustment of energy structure and construction of a smart power grid during the thirteen-five period bring new development opportunities for the transformer industry, and also provide higher technical challenges: the new energy power generation technology is mature and further popularized, the market of the new energy matched transformer is forcefully promoted, but the requirement on the safe and stable operation of the transformer is more strict; the upgrading and transformation project of the 'strong smart grid' can create an incremental market space, a huge storage market for upgrading the lagging transformer is started, the energy-saving and intelligent transformer becomes an industry development trend, and the excess capacity of the traditional transformer manufacturer faces the elimination pressure; the acceleration of the rail transit construction and the popularization of electric automobiles create new growth points for the transformer industry. The energy-saving, reliable and intelligent transformer is a fundamental stone for building a novel power network in China and is an important guarantee for promoting the reformation of an energy system.

Before the transformer is produced and delivered from a factory, the transformer needs to be tested, and the test result is very important for the stable and reliable operation of the transformer after delivery from the factory. Therefore, the procedure of transformer testing must be firmly closed to obtain a true and accurate test result.

In the prior art, wiring and high-low voltage testing of a transformer are completed manually all the time, and the manual wiring testing has many problems. 1. For transformers, large currents and voltages represent a great safety challenge for operators, and human misoperation and failure of test equipment protection equipment can cause serious accidents, causing unnecessary personnel and property loss. 2. The manual operation error brought by manual wiring may influence the test result, thereby influencing the judgment of whether the transformer is actually used normally.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a distribution transformer intelligent test line and test method safe and reliable, test accurate, can practice thrift cost, degree of automation is high.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an intelligent testing line for a distribution transformer comprises a conveying line for conveying a transformer to be tested, wherein a feeding slow conveying area, a testing area, a discharging slow conveying area and a discharging area are sequentially arranged on the conveying line, a taking and placing platform and a taking and placing manipulator are arranged on the side portion of the testing area, a plurality of automatic knob devices and wiring fixtures of different models are placed on the taking and placing platform, a height sensor for sensing the height of the transformer is arranged on the feeding slow conveying area, a CCD (charge coupled device) visual sensor is arranged on the taking and placing manipulator, the taking and placing manipulator adjusts the self-shooting sensing height according to the height information fed back by the height sensor to shoot and sense the transformer to obtain the model of the transformer, the position and the deflection angle information of a wiring fixture and an automatic knob device, and the taking and placing manipulator can butt the transformer with the wiring fixture and the knob of the transformer after adjusting the self-corresponding position and the deflection, and after the test is finished, the pick-and-place manipulator picks and places the wiring clamp and the automatic knob device back to the corresponding position of the pick-and-place platform.

As a further improvement of the above technical solution:

get and put the manipulator and include the articulated arm and get and put the clamping jaw, the lateral part at the test area is installed to the articulated arm, get to put the clamping jaw and install the expansion end at the articulated arm, CCD vision inductor is installed and is being got clamping jaw lateral part.

The taking and placing platform comprises a first platform and a second platform, the first platform and the second platform are arranged on the side portions of the testing area, the wiring clamps of different models are respectively arranged on the first platform and the second platform, and the multi-joint mechanical arm is arranged on the second platform.

The wiring fixture comprises a wiring support frame and wiring clamping jaws, wherein the wiring clamping jaws are installed on the wiring support frame at intervals, the wiring support frame is in butt joint with the taking and placing platform when in a non-testing state, and the wiring support frame is placed on the transformer and is in butt joint with the wiring terminals on the wiring clamping jaws and the transformer when in a testing state.

The wiring support frame includes top fixed plate, lateral part bracing piece and middle carry the pole, the both sides at the fixed plate are installed to the lateral part bracing piece, middle carry the pole and connect in the lateral part bracing piece of both sides, the wiring clamping jaw is installed in the fixed plate bottom and is located between carry pole and the fixed plate.

The bottom of the side supporting rod is provided with an elastic cushion body.

The wiring clamping jaw comprises a mounting seat, a guide rail and a wiring gas claw, the mounting seat is mounted at the bottom of the fixing plate, the guide rail is mounted at the bottom of the mounting seat, and the wiring gas claw is slidably mounted in the guide rail.

The automatic knob device comprises a knob support frame, a rotary driving piece, a lifting driving piece and a knob clamping jaw, wherein the rotary driving piece is installed on the knob support frame, the lifting driving piece is connected with the output end of the rotary driving piece, the knob clamping jaw is connected with the output end of the lifting driving piece, the knob support frame is in butt joint with a taking and placing platform in a non-testing state, and during a testing state, the knob support frame is placed on a transformer, and the knob on the knob clamping jaw and the transformer is in butt joint and drives a knob to rotate.

The knob support frame comprises an upper frame and a bottom frame, the bottom frame is installed at the bottom of the upper frame, the rotary driving piece is installed between the upper frame and the bottom frame, and the lifting driving piece and the knob clamping jaw are installed on the bottom frame.

The knob clamping jaw comprises a fixed seat and a knob air claw, the fixed seat is installed at the bottom of the lifting driving piece, and the knob air claw is installed in the fixed seat in a sliding mode.

The knob gas claw comprises a top pressing block, a side clamping block and a bottom pulling block which are sequentially connected, the top pressing block is in sliding connection with the fixing base, a groove is formed in the clamping side of the side clamping block, the top pressing block is pressed on the top of the knob when the side clamping block is in butt joint with the knob, the bottom pulling block is buckled at the bottom of the knob, and the groove of the side clamping block is in contact with the side of the knob.

The chassis is provided with a mounting block, and when the chassis is not in a test state, the mounting block of the chassis is mounted on the taking and placing platform.

The contact end of the chassis and the transformer is provided with a magnetic suction block, and the bottom of the magnetic suction block is provided with a foot pad.

The testing area is provided with a first testing station and a second testing station along the conveying direction, the two testing stations are respectively provided with a position sensor, and the distance between the two position sensors is matched with the maximum size of the conveying direction of the transformer.

An intelligent testing method of a distribution transformer is carried out by using the intelligent testing line of the distribution transformer, and comprises the following steps:

s1: the transformer to be tested is conveyed by the conveying line to enter a feeding slow conveying area;

s2: a height sensor of the feeding slow conveying area senses the height of the transformer and feeds back height information to the pick-and-place manipulator, the transformer to be tested enters the testing area from the feeding slow conveying area, and the conveying line stops running;

s3: the taking and placing mechanical arm adjusts the self shooting induction height according to the height information, and a CCD visual inductor is used for shooting and inducing the transformer to obtain the model of the transformer, the positions of the binding post and the knob and the deflection angle information;

s4: the picking and placing manipulator picks the wiring clamp and the automatic knob device of corresponding models, adjusts the corresponding position and the deflection angle of the picking and placing manipulator and then butt joints the picking and placing manipulator with the wiring terminal and the knob of the transformer;

s5: the pick-and-place manipulator is separated from the wiring clamp and the automatic knob device to perform high-low voltage automatic test;

s6: the pick-and-place manipulator picks and places the wiring clamp and the automatic knob device on the tested transformer back to the corresponding position of the pick-and-place platform;

s7: the conveying line continues to operate, the tested transformer is conveyed to the discharging slow conveying area to be subjected to subsequent process operation, and then finished product discharging is carried out from the discharging area.

Compared with the prior art, the utility model has the advantages of:

the utility model relates to an intelligent testing line for distribution transformers, wherein the transformers are conveyed by a conveying line, the type and the position information of the transformers are fed back by a dual identification and positioning module, when the transformer reaches the testing area, the pick-and-place manipulator picks the wiring clamp and the automatic knob device matched with the pick-and-place platform, and the angle of the manipulator is adjusted according to the position information fed back by the dual recognition positioning module, the pick-and-place manipulator after adjustment butt-joints the wiring clamp and the automatic knob device with the wiring terminal and the knob of the transformer, then testing is carried out, after the testing is finished, the wiring clamp and the automatic knob device are placed back to the pick-and-place platform by the pick-and-place manipulator, the tested transformer is continuously conveyed to the next station by the conveying line, so as to finish the batch automatic testing of the transformer in a reciprocating way, therefore, the safety problem and the test accuracy problem caused by manual wiring test are solved. The utility model discloses the one-time product of accomplishing dispatch from the factory is experimental and the automatic calculation result with generate the report, 2-3 people can be practiced thrift to whole experimental process, and efficiency of software testing promotes 50%. The transformer test is unmanned and intelligent for the first time in the industry. The utility model discloses an intelligent test method of distribution transformer goes on with foretell intelligent test wire of distribution transformer, consequently possesses the corresponding technological effect of the intelligent test wire of above-mentioned distribution transformer.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is a schematic perspective view of the working state of the pick-and-place manipulator of the present invention.

Fig. 5 is a schematic view of the overhead structure of the pick-and-place manipulator according to the present invention.

Fig. 6 is a schematic structural view of the pick-and-place robot of the present invention.

Fig. 7 is a schematic perspective view of the wiring operation of the present invention.

Fig. 8 is a schematic perspective view of the middle wiring clamp of the present invention.

Fig. 9 is a schematic view of the middle connection clamp of the present invention.

Fig. 10 is a schematic side view of the middle connection clamp of the present invention.

Fig. 11 is an enlarged schematic view of fig. 10 at B.

Fig. 12 is a schematic perspective view of the automatic knob device of the present invention.

Fig. 13 is a front view of the automatic knob device of the present invention.

Fig. 14 is a partially enlarged schematic structural view of the automatic knob device of the present invention.

Fig. 15 is a flow chart of the intelligent testing method for the distribution transformer of the present invention.

The reference numerals in the figures denote:

1. a conveying line; 11. a feeding slow conveying area; 12. a test zone; 121. a first test station; 122. a second test station; 13. a discharge slow-delivery area; 14. a blanking area; 2. a pick-and-place platform; 21. a first platform; 22. a second platform; 3. a picking and placing manipulator; 31. a multi-joint mechanical arm; 32. picking and placing the clamping jaw; 4. an automatic knob device; 41. a knob support frame; 411. a top frame; 412. a chassis; 4121. mounting a block; 4122. a magnetic block; 4123. a foot pad; 42. a rotary drive member; 43. a lifting drive member; 44. a knob jaw; 441. a fixed seat; 442. a knob gas claw; 4421. pressing the top of the container; 4422. a side clamping block; 4423. a bottom pull block; 5. a wiring clamp; 51. a wiring support frame; 511. a fixing plate; 512. a side support bar; 513. a middle hanging rod; 514. an elastic cushion body; 52. a wire connection clamping jaw; 521. a mounting seat; 522. a guide rail; 523. a wire connection pneumatic claw; 6. a height sensor; 7. a CCD visual sensor; 8. a position sensor.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

Fig. 1 to 14 show the utility model discloses an embodiment of intelligent test wire of distribution transformer, including the transfer chain 1 that is used for carrying the transformer that awaits measuring, be equipped with material loading on the transfer chain 1 in proper order and postpone defeated district 11, test area 12, the material unloading postpones defeated district 13 and unloading district 14, the lateral part of test area 12 is provided with gets and puts platform 2 and gets and put manipulator 3, the wiring anchor clamps 5 of a plurality of automatic knob devices 4 and different models have been placed on getting and putting platform 2, material loading postpones defeated district 11 and is equipped with height sensor 6 that is used for induction transformer height, it is provided with CCD vision inductor 7 on putting manipulator 3 to get, get and put manipulator 3 according to height information adjustment self that height sensor 6 feedbacks self shoot the induction height and shoot position and the beat angle information that the induction obtained its model and terminal and knob to the transformer, get and put manipulator 3 and pick wiring anchor clamps 5 and automatic knob device 4 of corresponding model and adjust self corresponding position and beat angle after with it and transformer angle The connecting terminal and the knob are in butt joint, and after the test is finished, the wiring clamp 5 and the automatic knob device 4 are grabbed by the taking and placing manipulator 3 and are placed back to the corresponding position of the taking and placing platform 2. When the test line runs, a transformer to be tested is firstly sent into the conveying line 1 from an oil injection area, the height of the transformer to be tested is sensed by the height sensor 6 in the feeding slow conveying area 11 and the height information is fed back to the pick-and-place manipulator 3, then the transformer to be tested enters the testing area 12 from the feeding slow conveying area 11, at the moment, the conveying line 1 stops running, the pick-and-place manipulator 3 adjusts the self shooting sensing height according to the height information, the CCD visual sensor 7 is used for shooting and sensing the transformer to obtain the model and the position and deflection angle information of the binding post and the knob, then the pick-and-place manipulator 3 picks the binding post 5 and the automatic knob device 4 of the corresponding model and butt joints the binding post and the knob of the transformer after adjusting the self corresponding position and deflection angle, the pick-and-place manipulator 3 is separated from the binding post 5 and the automatic knob device 4, the picking and placing manipulator 3 picks and places the wiring clamp 5 and the automatic knob device 4 on the tested transformer back to the corresponding position of the picking and placing platform 2, the conveying line 1 continues to operate, the tested transformer is conveyed to the discharging slow conveying area 13 to be subjected to subsequent process operation, and finally finished product discharging is carried out from the discharging area 14. Compared with the traditional manual test, through the intelligent test line of the utility model, the transformer is conveyed by the conveying line 1, the type and the position information of the transformer are fed back by the dual recognition positioning module in the process, when the transformer reaches the test area, the pick-and-place manipulator 3 picks the wiring clamp 5 and the automatic knob device 4 matched with the transformer from the pick-and-place platform 2, the manipulator angle is adjusted according to the position information fed back by the dual recognition positioning module, the pick-and-place manipulator 3 butt-joints the wiring clamp 5 and the automatic knob device 4 with the wiring terminal and the knob of the transformer after adjustment, then the test is carried out, the wiring clamp 5 and the automatic knob device 4 are put back to the pick-and-place platform 2 by the pick-and-place manipulator 3 after the test is finished, the tested transformer is continuously conveyed to the next station by the conveying line 1, thereby the automatic test of the transformer in batch is repeatedly, therefore, the safety problem and the test accuracy problem caused by manual wiring test are solved. The utility model discloses the one-time product of accomplishing dispatch from the factory is experimental and the automatic calculation result with generate the report, 2-3 people can be practiced thrift to whole experimental process, and efficiency of software testing promotes 50%. The transformer test is unmanned and intelligent for the first time in the industry.

In this embodiment, the pick-and-place manipulator 3 includes a multi-joint manipulator 31 and a pick-and-place clamping jaw 32, the multi-joint manipulator 31 is installed at a side portion of the test area 12, the pick-and-place clamping jaw 32 is installed at a movable end of the multi-joint manipulator 31, and the CCD vision sensor 7 is installed at a side portion of the pick-and-place clamping jaw 32. In this structure, the multi-joint mechanical arm 31 drives to take and put the clamping jaw 32 angle of adjustment and position, and CCD vision inductor 7 is used for sweeping bar code identification transformer model and judging the position of terminal and knob switch, gets to put the clamping jaw 32 and is used for snatching wiring anchor clamps 5 and automatic knob device 4.

In this embodiment, the pick-and-place platform 2 includes a first platform 21 and a second platform 22, the first platform 21 and the second platform 22 are disposed at the side of the test area 12, the wiring clamps 5 of different models are respectively disposed on the first platform 21 and the second platform 22, and the multi-joint robot 31 is mounted on the second platform 22. In this structure, the wiring jig 5 includes a high-pressure jig and a low-pressure jig, the high-pressure jig and the automatic knob device 4 are placed on the first platform 21, the articulated robot arm 31 is fixed on the second platform 22, and the low-pressure jig is placed on the second platform 22.

In this embodiment, the wiring fixture 5 includes wiring support frame 51 and wiring clamping jaw 52, and wiring clamping jaw 52 is the interval and installs on wiring support frame 51, and in this structure, wiring support frame 51 provides the installation and supports the basis for wiring clamping jaw 52, and during the non-testing state, wiring support frame 51 docks with the access platform 2, and during the testing state, wiring support frame 51 is placed on the transformer, and wiring clamping jaw 52 docks with the terminal on the transformer, and its simple structure is reliable.

In this embodiment, the wire support bracket 51 includes a top fixing plate 511, side support rods 512 and a middle mounting rod 513, the side support rods 512 are installed at two sides of the fixing plate 511, the middle mounting rod 513 is connected to the side support rods 512 at two sides, and the wire clamping jaw 52 is installed at the bottom of the fixing plate 511 and located between the middle mounting rod 513 and the fixing plate 511. In the structure, the top fixing plate 511 provides a mounting base for the wiring clamping jaw 52 on one hand, and the top fixing plate 511 is a clamping point for taking and placing the clamping jaw 32 on the other hand; in a test state, the side supporting rods 512 bear on the transformer to provide supporting force for the whole transformer; in the untested state, the middle mounting rod 513 is mounted on the pick-and-place platform 2; because the wire connecting clamping jaw 52 is positioned between the middle mounting rod 513 and the fixing plate 511, the middle mounting rod 513 and the fixing plate 511 form a profile type protection for the wire connecting clamping jaw 52, and the wire connecting clamping jaw 52 is prevented from being in mistaken contact with the outside.

In this embodiment, the bottom of the side support bar 512 is provided with an elastic pad 514. The elastic cushion 514 can realize the soft contact between the side support rods 512 and the transformer, and prevent the side support rods from scratching and damaging the surface of the transformer.

In this embodiment, the wire connection clamping jaw 52 includes a mounting seat 521, a guide rail 522 and a wire connection air claw 523, the mounting seat 521 is mounted at the bottom of the fixing plate 511, the guide rail 522 is mounted at the bottom of the mounting seat 521, and the wire connection air claw 523 is slidably mounted in the guide rail 522. In the structure, the mounting base 521 and the wiring gas claw 523 are externally connected with a gas source, when testing is carried out, the wiring gas claw 523 runs along the guide rail 522 to fold in to clamp the wiring terminal, and after the testing is finished, the wiring gas claw 523 runs along the guide rail 522 to unfold.

In this embodiment, the automatic knob device 4 includes a knob support frame 41, a rotary driving member 42, a lifting driving member 43 and a knob clamping jaw 44, the rotary driving member 42 is installed on the knob support frame 41, the lifting driving member 43 is connected to an output end of the rotary driving member 42, and the knob clamping jaw 44 is connected to an output end of the lifting driving member 43, in this structure, the knob support frame 41 provides an installation and support basis for the rotary driving member 42, the lifting driving member 43 and the knob clamping jaw 44, when the test state is not performed, the knob support frame 41 is in butt joint with the pick-and-place platform 2, when the test state is performed, the lifting driving member 43 drives the rotary driving member 42 to drive the knob clamping jaw 44 to descend to a knob position, the knob clamping jaw 44 clamps the knob, the lifting driving member 43 further drives the knob clamping jaw 44 to press the knob, finally, the test is realized, the structure is simple and ingenious, and the automatic knob rotation operation is realized.

In this embodiment, the rotary driving member 42 is provided as a servo motor, and the lifting driving member 43 is provided as an air cylinder.

In this embodiment, the knob support frame 41 includes a top frame 411 and a bottom frame 412, the bottom frame 412 is installed at the bottom of the top frame 411, in this structure, the top frame 411 and the bottom frame 412 together form a double-layer gantry type support structure, the rotary driving member 42 is installed between the top frame 411 and the bottom frame 412, and the lifting driving member 43 and the knob clamping jaw 44 are installed on the bottom frame 412. The structure is simple and stable.

In this embodiment, the knob clamping jaw 44 includes a fixing seat 441 and a knob air claw 442, the fixing seat 441 is installed at the bottom of the lifting driving member 43, and the knob air claw 442 is slidably installed in the fixing seat 441. In this structure, fixing base 441 and knob gas claw 442 connect the external air supply, and when testing, knob gas claw 442 moves along fixing base 441 and draws in the centre gripping that realizes the knob, and after the test was accomplished, knob gas claw 442 moves along fixing base 441 and expandes can.

In this embodiment, the knob air claw 442 includes a top pressing block 4421, a side clamping block 4422 and a bottom pulling block 4423 connected in sequence, the top pressing block 4421 is slidably connected to the fixing base 441, a groove is formed on a clamping side of the side clamping block 4422, when the knob is in butt joint with the knob, the top pressing block 4421 presses on the top of the knob, the bottom pulling block 4423 is buckled on the bottom of the knob, and the groove of the side clamping block 4422 is in contact with the side of the knob. In the structure, the top pressing block 4421 and the bottom pulling block 4423 are matched to realize the pulling and pressing actions on the knob, and the grooves of the side clamping blocks 4422 are in contact with the side parts of the knob, so that the rotating reliability of the knob is ensured, and the knob can be prevented from slipping.

In this embodiment, the mounting block 4121 is provided on the chassis 412, and when the test is not performed, the mounting block 4121 of the chassis 412 is mounted on the pick-and-place platform 2. In this structure, the mounting block 4121 can be arranged to realize rapid docking and mounting with the pick-and-place platform 2.

In this embodiment, a magnetic block 4122 is installed at a contact end of the chassis 412 and the transformer, and a foot pad 4123 is installed at a bottom of the magnetic block 4122. In the structure, the magnetic suction block 4122 comprises a fixed block and a built-in electromagnet, and provides a stable and reliable positioning effect for the pull, press and rotation of the knob; the foot pad 4123 enables soft contact of the chassis 412 with the transformer, preventing scratching and damaging the transformer surface.

In this embodiment, the test area 12 is provided with a first test station 121 and a second test station 122 along the conveying direction, the two test stations are both provided with position sensors 8, and the distance between the two position sensors 8 is matched with the maximum dimension of the transformer in the conveying direction. In the structure, a first test station 121 and a second test station 122 can simultaneously realize testing, two position sensors 8 are used for identifying a transformer, when the first test station 121 detects that the transformer and the second test station 122 are not detected, the transformer enters the second test station 122, the first test station 121 receives the next transformer, when the second test station 122 detects the transformer, the transmission line 1 stops running, and then the transformers of the two stations are tested; the distance between the two position sensors 8 is matched with the maximum size of the transformer in the conveying direction, so that the two position sensors 8 can be prevented from being misdetected.

Fig. 1 to 15 show an embodiment of the intelligent testing method for distribution transformer of the present invention, which is performed by the intelligent testing line for distribution transformer, comprising the following steps:

s1: the transformer to be tested is conveyed by the conveying line 1 and enters the feeding slow conveying area 11;

s2: the height sensor 6 of the feeding slow-conveying area 11 senses the height of the transformer and feeds the height information back to the pick-and-place manipulator 3, the transformer to be tested enters the testing area 12 from the feeding slow-conveying area 11, and the conveying line 1 stops running;

s3: the picking and placing mechanical arm 3 adjusts the self shooting induction height according to the height information, and a CCD visual inductor 7 is used for shooting and inducing the transformer to obtain the model of the transformer, the positions of the binding post and the knob and the deflection angle information;

s4: the pick-and-place manipulator 3 picks the wiring clamp 5 and the automatic knob device 4 of the corresponding models, adjusts the corresponding positions and the deflection angles of the pick-and-place manipulator and then butt joints the pick-and-place manipulator with the wiring terminal and the knob of the transformer;

s5: the pick-and-place manipulator 3 is separated from the wiring clamp 5 and the automatic knob device 4, and high-low voltage automatic testing is carried out;

s6: the picking and placing manipulator 3 picks and places the wiring clamp 5 and the automatic knob device 4 on the tested transformer back to the corresponding position of the picking and placing platform 2;

s7: the conveying line 1 continues to operate, the tested transformer is conveyed to the discharging slow conveying area 13 to be subjected to subsequent process operation, and then finished product discharging is performed from the discharging area 14.

Compared with the traditional manual test, by the intelligent test method of the utility model, the transformer is conveyed by the conveyor line 1, the type and the position information of the transformer are fed back by the dual recognition positioning module in the process, when the transformer reaches the test area, the pick-and-place manipulator 3 picks the wiring clamp 5 and the automatic knob device 4 matched with the transformer from the pick-and-place platform 2, the manipulator angle is adjusted according to the position information fed back by the dual recognition positioning module, the pick-and-place manipulator 3 butt-joints the wiring clamp 5 and the automatic knob device 4 with the wiring terminal and the knob of the transformer after adjustment, then the test is carried out, the wiring clamp 5 and the automatic knob device 4 are put back to the pick-and-place platform 2 by the pick-and-place manipulator 3 after the test is finished, the tested transformer is continuously conveyed to the next station by the conveyor line 1, thereby the automatic test of the transformer in batch is repeatedly, therefore, the safety problem and the test accuracy problem caused by manual wiring test are solved. The utility model discloses the one-time product of accomplishing dispatch from the factory is experimental and the automatic calculation result with generate the report, 2-3 people can be practiced thrift to whole experimental process, and efficiency of software testing promotes 50%. The transformer test is unmanned and intelligent for the first time in the industry.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (9)

1. The utility model provides a distribution transformer intelligent test line which characterized in that: the transformer testing device comprises a conveying line (1) for conveying a transformer to be tested, wherein a feeding slow-conveying area (11), a testing area (12), a discharging slow-conveying area (13) and a discharging area (14) are sequentially arranged on the conveying line (1), a pick-and-place platform (2) and a pick-and-place manipulator (3) are arranged on the side portion of the testing area (12), a plurality of automatic knob devices (4) and wiring fixtures (5) of different models are placed on the pick-and-place platform (2), a height sensor (6) for sensing the height of the transformer is arranged on the feeding slow-conveying area (11), a CCD visual sensor (7) is arranged on the pick-and-place manipulator (3), the pick-and-place manipulator (3) adjusts self shooting induction height according to height information fed back by the height sensor (6) to shoot and induce the transformer to obtain the model and position and deflection angle information of a wiring, the picking and placing mechanical arm (3) picks the wiring clamp (5) and the automatic knob device (4) of the corresponding models, adjusts the corresponding positions and the deflection angles of the automatic knob device and then butt the automatic knob device with the wiring clamp and the terminal of the transformer, and after the test is finished, the picking and placing mechanical arm (3) picks the wiring clamp (5) and the automatic knob device (4) and puts the wiring clamp and the automatic knob device back to the corresponding positions of the picking and placing platform (2).

2. The distribution transformer intelligent test line of claim 1, characterized in that: get and put manipulator (3) and put clamping jaw (32) including articulated arm (31) and getting, the lateral part in test area (12) is installed in articulated arm (31), get and put clamping jaw (32) and install the expansion end at articulated arm (31), CCD vision inductor (7) are installed and are being got clamping jaw (32) lateral part.

3. The distribution transformer intelligent test line of claim 2, characterized in that: the taking and placing platform (2) comprises a first platform (21) and a second platform (22), the first platform (21) and the second platform (22) are arranged on the side portion of the testing area (12), wiring clamps (5) of different models are respectively arranged on the first platform (21) and the second platform (22), and the multi-joint mechanical arm (31) is installed on the second platform (22).

4. The distribution transformer intelligent test line of claim 3, characterized in that: wiring anchor clamps (5) are including wiring support frame (51) and wiring clamping jaw (52), wiring clamping jaw (52) are the interval and install on wiring support frame (51), during the non-test state, wiring support frame (51) with get put platform (2) butt joint, during the test state, wiring support frame (51) are placed on the transformer and wiring clamping jaw (52) and the terminal butt joint on the transformer.

5. The distribution transformer intelligent test line of claim 4, characterized in that: wiring support frame (51) include top fixed plate (511), lateral part bracing piece (512) and middle string load pole (513), the both sides at fixed plate (511) are installed in lateral part bracing piece (512), middle string load pole (513) are connected in lateral part bracing piece (512) of both sides, wiring clamping jaw (52) are installed in fixed plate (511) bottom and are located between middle string load pole (513) and fixed plate (511).

6. The distribution transformer intelligent test line of claim 5, characterized in that: an elastic cushion body (514) is arranged at the bottom of the side supporting rod (512).

7. The distribution transformer intelligent test line of claim 6, characterized in that: the wiring clamping jaw (52) comprises an installation base (521), a guide rail (522) and a wiring air claw (523), wherein the installation base (521) is installed at the bottom of the fixing plate (511), the guide rail (522) is installed at the bottom of the installation base (521), and the wiring air claw (523) is installed in the guide rail (522) in a sliding mode.

8. The distribution transformer intelligent test line of claim 7, characterized in that: automatic knob device (4) include knob support frame (41), rotary driving piece (42), lift driving piece (43) and knob clamping jaw (44), rotary driving piece (42) are installed on knob support frame (41), lift driving piece (43) are connected with the output of rotary driving piece (42), knob clamping jaw (44) are connected with the output of lift driving piece (43), during the non-test state, knob support frame (41) with get put platform (2) butt joint, during test condition, knob support frame (41) are placed on the transformer, and knob butt joint on knob clamping jaw (44) and the transformer and order about the knob rotation.

9. The distribution transformer intelligent test line of claim 8, characterized in that: knob support frame (41) include roof-rack (411) and chassis (412), install in roof-rack (411) bottom chassis (412), rotary driving piece (42) are installed between roof-rack (411) and chassis (412), install on chassis (412) lifting driving piece (43) and knob clamping jaw (44).

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