CN202772757U - Bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment - Google Patents

Bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment Download PDF

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Publication number
CN202772757U
CN202772757U CN 201220451161 CN201220451161U CN202772757U CN 202772757 U CN202772757 U CN 202772757U CN 201220451161 CN201220451161 CN 201220451161 CN 201220451161 U CN201220451161 U CN 201220451161U CN 202772757 U CN202772757 U CN 202772757U
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CN
China
Prior art keywords
optoelectronic switch
fixed
feeding device
punching
base
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220451161
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Chinese (zh)
Inventor
刘书学
卢启杰
郭波
洪焕涛
苏启明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ji'nan Power Equipment Factory Co Ltd
Shandong Qilu Motor Manufacturing Co Ltd
Original Assignee
Ji'nan Power Equipment Factory Co Ltd
Shandong Qilu Motor Manufacturing Co Ltd
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Publication date
Application filed by Ji'nan Power Equipment Factory Co Ltd, Shandong Qilu Motor Manufacturing Co Ltd filed Critical Ji'nan Power Equipment Factory Co Ltd
Priority to CN 201220451161 priority Critical patent/CN202772757U/en
Application granted granted Critical
Publication of CN202772757U publication Critical patent/CN202772757U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment. The bolt hole punching feeding device comprises a left side hydraulic feeding device and a corresponding right side hydraulic feeding device, the left side hydraulic feeding device and the right side hydraulic feeding device are respectively provided with an optoelectronic switch control device, and the left side hydraulic feeding device, the right side hydraulic feeding device and the optoelectronic switch control device are connected with a control system through circuit. The bolt hole punching feeding device controls synchronous movement of punching heads at two sides through the optoelectronic switches, and step-by-step punching is realized, so a problem of deformation caused by uneven bearing force at two sides of rotor coil can be effectively solved. The bolt hole punching feeding device has accurate motion, is convenient to use and can manufacture a rotor coil bolt hole with accurate dimensions and precise form-and-position tolerance.

Description

Electric generator rotor coil rushes in the pressure V-type nest equipment of tongue hole and rushes tongue hole feed arrangement
Technical field
The utility model relates to a kind of electric generator rotor coil and rushes the tongue hole and press in the V-type nest equipment and rush tongue hole feed arrangement.
Background technology
The design of air inner-cooled turbogenerator Rotor V shape air duct needs the V-arrangement recess at each conductor processing ventilation tongue hole of rotor coil and sealing wind path.Electric generator rotor coil is the rectangle hollow copper conductor with single hole or diplopore.Electric generator rotor coil rushes the tongue hole, and to press V-type nest equipment be one of visual plant in the electric generator rotor coil manufacturing process, mechanical part mainly by center positioning device (cover), press V-type nest device (about each cover), rush the tongue aperture apparatus (about each cover), underframe and the parts such as transmission device and septal branch support arrangement to form.Machining process route is: center positioning device location → punching press positive and negative V-arrangement wind locking isolated ventilation road (namely pressing the V-type nest) → punching press side direction ligulate air duct changes wind direction (namely rushing the tongue hole).The utility model is intended to solve symmetry assurance problem in the process of large capacity air inner-cooled turbogenerator rotor coil punching out ventilation tongue hole, the domestic homogeneous structure that there is no at present, a multiplex step punching press puts the conductor unbalance stress in place, yielding distortion, the ventilation hole centering is poor.
The utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of electric generator rotor coil to rush in the pressure V-type nest equipment of tongue hole and rush tongue hole feed arrangement, this device is advanced by optoelectronic switch control both sides punch synchronous, the substep punching press can effectively solve the problem on deformation of rotor coil both sides unbalance stress.
For achieving the above object, the utility model adopts following technical proposals:
A kind of electric generator rotor coil rushes in the pressure V-type nest equipment of tongue hole and rushes tongue hole feed arrangement, comprise corresponding left side hydrofeed and right side hydrofeed, be equipped with the optoelectronic switch control device on described left side hydrofeed and the right side hydrofeed, described left side hydrofeed, right side hydrofeed and optoelectronic switch control device all link to each other with control system by circuit.
Described left side hydrofeed comprises the left side hydraulic jack, and the cylinder body of described oil cylinder is fixedly connected with cover plate, and cover plate is fixed on the left panel by screw, is provided with between cover plate and the left panel by screw and is fixed in left pipe on the left panel; Left panel is fixed on the base; The expansion link of hydraulic cylinder by screw thread with can in the base die cavity, be connected by the left guide plate of traveling priority, left guide plate adjusts pad by the left side and the left side stamping knife is fixed; The adjustable ring of regulating left guide plate initial position is installed on the expansion link of hydraulic cylinder; Be fixed with the left side photoelectric switch that matches with adjustable ring on the left pipe, by the movement of adjustable ring fixing on the hydraulic cylinder extension bar, excite and control the accurate motion of left side stamping knife.
Described left side photoelectric switch comprises the left side optoelectronic switch that four diverse locations are arranged, and the left side optoelectronic switch is fixed on the diverse location of left pipe by left side optoelectronic switch support respectively, is used for controlling the advanced positions that the left side stamping knife rushes the tongue hole.
Described left side is adjusted pad and is comprised the square adjustment pad in left side, left side U-shaped adjustment pad and the square briquetting in left side, and the square briquetting in described left side directly compresses the left side stamping knife.
Described right side hydrofeed comprises the right side hydraulic jack, and the cylinder body of right side hydraulic jack is moving member, and it is arranged on the copper guide rail that is fixedly mounted on the base, and can be along its traveling priority; The cylinder body of right side hydraulic jack is adjusted pad by the right side and is fixedly connected with the right side stamping knife; The expansion link of right side hydraulic jack is connected with right panel on being fixed in base by self screw thread, and the end of described expansion link is fixed by screw and regulation gate valve; Described base is provided with clamping plate, and shape slideway in line between base and the clamping plate, and being provided with in the described linear ramp can be along its optoelectronic switch synchronous shifter that moves, and the optoelectronic switch synchronous shifter is provided with the right side photoelectric switch; The bottom of described base plate right side cylinder body of hydraulic oil cylinder is fixed with the trigger mechanism that matches with described right side photoelectric switch.
Described optoelectronic switch synchronous shifter comprises guide plate and base plate, and described base plate is positioned at linear ramp, and can move along it, and base plate is fixedly connected with guide plate by screw, and guide plate links to each other with regulation gate valve by inside groove.
Described trigger mechanism comprises the bottom contiguous block, and the bottom contiguous block links to each other with L shaped.By relatively moving between bottom contiguous block and L shaped minor face and the right side optoelectronic switch, trigger optoelectronic switch, be used for accurately advancing of control appliance.
Described right side photoelectric switch comprises the right side optoelectronic switch that four diverse locations are arranged, and described right side optoelectronic switch is fixed on the diverse location of base plate by right side optoelectronic switch support separately, is used for controlling the advanced positions that the right side stamping knife rushes the tongue hole.
Described right side is adjusted pad and is comprised the square adjustment pad in right side, right side U-shaped adjustment pad and the square briquetting in right side, and the square briquetting in described right side directly compresses the right side stamping knife.
The utility model comprises left side feed arrangement and right side feed arrangement.The left side cylinder body of hydraulic oil cylinder is fixedly connected with cover plate by screw thread, and cover plate, left pipe are fixed on the left panel by screw.The hydraulic cylinder extension bar is connected with left guide plate by screw thread, regulates the initial position of left guide plate by the adjustable ring of installing on the hydraulic cylinder extension bar.Left guide plate is traveling priority in the base die cavity, fixes by adjusting pad and left side stamping knife.Left side optoelectronic switch group is fixed on the left pipe, by the movement of adjustable ring fixing on the hydraulic cylinder extension bar, excites and control the accurate motion of left side stamping knife.
Right side hydraulic jack expansion link is fixed in right panel by screw thread.Cylinder body is moving member, and traveling priority on the copper guide rail that base is installed by the hard-wired regulation gate valve of rotary extension boom end, is adjusted the initial position of cylinder block.Cylinder body is fixed by adjusting pad and right side stamping knife.Right side optoelectronic switch group is fixed on the base plate, and is constant by optoelectronic switch synchronous shifter maintenance base plate and hydraulic cylinder extension bar relative position.By being fixed in the movement of the trigger mechanism on the mobile cylinder base contiguous block, excite and control the accurate motion of right side stamping knife.
The optoelectronic switch synchronous shifter comprises guide plate and base plate, and regulation gate valve is fixedly mounted on the end face of oil cylinder expansion link, and guide plate links to each other with regulation gate valve by inside groove, keeps relative position with the hydraulic cylinder extension bar with this, and base plate is fixedly connected with by screw with guide plate.
Trigger mechanism comprises bottom contiguous block and L shaped, the bottom contiguous block is installed on the oily contiguous block of the right side cylinder body of hydraulic oil cylinder hard-wired turnover in bottom, and be connected with L shaped, by the triggering optoelectronic switch that relatively moves between bottom contiguous block and L shaped minor face and the right side optoelectronic switch, thus accurately the advancing of control appliance.
Cover plate, left pipe, left panel, copper guide rail, right panel all are fixed by screws on the base.
Adjust the adjusting cushion block that pad comprises X, Y, three directions of Z, use altogether three parts, a square cushion block is finely tuned stamping knife along the position of punching out direction, the position of other both direction of U-shaped cushion block fine setting stamping knife, and a square briquetting compresses stamping knife.
Electric generator rotor coil of the present utility model rushes tongue hole feed arrangement, and it rushes the spacing except limit switch of tongue hole processing action, also by increasing the motion process optoelectronic switch, keeps its action synchronism.After punching press action is finished, by optoelectronic switch the action of two drifts is kept harmoniously, and then carry out the feeding punching press second time.By the punching press of twice substep, finish the punching press of side direction ligulate air duct.Thereby solve the assurance problem of rotor bar lateral tongue hole symmetry in the punching out process.
Stamping rotor line rod lateral ventilation hole action step:
Action I: initial position.
The action II: centre position I, stamping knife are close to line bar edge place.The detection rear outage that puts in place is waited for after other end stamping knife puts in place beginning to power up operation.
Action III: centre position II, the thoroughly outer layer line rod of stamping knife punching place.The detection rear outage that puts in place is waited for after other end stamping knife puts in place beginning to power up operation.
The action IV: interior layer line bar edge is pressed close in final position, stamping knife.
Before rotor coil rushes the tongue hole, it is the straight hollow conductor line rod with the centralized positioning circular hole.During punching out tongue hole, will prop up according to the list of honest material under the drawing rotor bar and be positioned in the line rod bracket, and with line rod horizontal location, press the compression button, it is tight with wire bar clip that tongue hole pressure head is rushed in the drive of vertical hydraulic oil cylinder.The punching button of outwarding winding, the both sides stamping knife arrives the final position synchronously, the return push-button of outwarding winding, both sides stamping knife correcting action is lifted down made coil getting final product at last.
The beneficial effects of the utility model are, action precisely, and is easy to use, can punching out go out that size is accurate, the accurate rotor coil tongue of form and position tolerance hole.
Description of drawings
Fig. 1 rushes tongue hole feed arrangement structural representation;
Fig. 2 (a)-Fig. 2 (d) is stamping rotor line rod lateral ventilation hole action schematic diagram;
Fig. 3 is the left side optoelectronic switch group location drawing;
Fig. 4 is the right side optoelectronic switch group location drawing;
Fig. 5 is optoelectronic switch synchronous shifter and trigger mechanism structure chart;
Fig. 6 is the axonometric drawing of Fig. 5;
Wherein: 1-left side hydraulic jack, 2-copper washer, 3-long spiro nail, 4-cover plate, 5-adjustable ring, 6-interior hexagonal flush end holding screw, 7-left guide plate, 8-left pipe, 9-left side optoelectronic switch, 10-left side optoelectronic switch support, 11-left panel, the square adjustment pad in 12-left side, 13-left side U-shaped is adjusted pad, the square briquetting in 14-left side, 15-left side stamping knife, 16-base, 17-rotor bar, 18-right side stamping knife, the square adjustment pad in 19-right side, 20-right side U-shaped is adjusted pad, the square briquetting in 21-right side, 22-copper guide rail, 23-right side hydraulic jack, 24-right panel, the 25-regulation gate valve, 26-screw, 27-base plate, 28-bottom contiguous block, 29-L shape piece, 30-right side optoelectronic switch, 31-right side optoelectronic switch support, the 32-guide plate, the 33-clamping plate, 34-initial position, 35-centre position II, 36-centre position I, the 37-final position.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 2, Fig. 2 (a) figure is the action I, and the both sides stamping knife all is positioned at initial position; Fig. 2 (b) figure is the action II, and the both sides stamping knife is close to rotor bar edge, is positioned at the centre position I; Fig. 2 (c) figure is the action III, and the thoroughly outer layer line rod of both sides stamping knife punching is positioned at the centre position II; Fig. 2 (d) figure is the action IV, and the both sides stamping knife all is positioned at the final position.
As shown in Figure 1, the cylinder body of left side hydraulic jack 1 is connected with cover plate 4 by self screw thread, and during the equipment installation, but the copper washer 2 between reconditioning cylinder body and cover plate is adjusted the angle of oil cylinder oil inlet and outlet.Cover plate 4, left pipe 8 are fixed on the left panel 11 by long spiro nail 3.The expansion link of left side hydraulic jack 1 is connected with left guide plate 7 by self screw thread, hexagonal flush end holding screw 6 is fixing in using, and adjustable ring 5 is fixed on this expansion link, in the equipment debugging process, by the adjustable ring 5 of rotating band scale, can be used to regulate the action initial position of left guide plate 7.Left guide plate 7 is traveling priority in base 16 die cavities, it is fixing to adjust pad 13, the square briquetting 14 in left side and left side stamping knife 15 by the square adjustment pad 12 in left side, left side U-shaped, wherein square adjustment pad 12 fine-tuning stamping knives are along the position of punching out direction, the left side U-shaped is adjusted the in addition position of both direction of pad 13 fine setting stamping knives, and the square briquetting 14 in left side compresses left side stamping knife 15.Left side optoelectronic switch 9 is fixed on the left pipe 8 by left side optoelectronic switch support 10, by the movement of adjustable ring 5 fixing on the expansion link of left side hydraulic jack 1, excites and control the accurate motion of left side stamping knife 15.
The cylinder body of right side hydraulic jack 23 is moving member, traveling priority on copper guide rail 22, and copper guide rail 22 is installed on the base 16.The expansion link of right side hydraulic jack 23 is connected with right panel 24 by self screw thread, and the end passes through screw 26 and regulation gate valve 25 is fixed.Right panel 24 is fixed on the base 16, and by the regulation gate valve 25 of rotating band scale, the expansion link of right side hydraulic jack 23 can move along its diameter of axle direction, is used for adjusting the action initial position of the cylinder body of right side hydraulic jack 23.It is fixing that the cylinder body of right side hydraulic jack 23 is adjusted pad 20, the square briquetting 21 in right side and right side stamping knife 18 by the square adjustment pad 19 in right side, right side U-shaped, wherein the square adjustment pad 21 fine-tuning stamping knives in right side are along the position of punching out direction, the right side U-shaped is adjusted the in addition position of both direction of pad 19 fine setting stamping knives, and the square briquetting 20 in right side compresses right side stamping knife 18.
Right side optoelectronic switch 30 is fixed on the base plate 27 by right side optoelectronic switch support 31, clamping plate 33 are fixed on the base 16, base plate 27 along the pressing direction traveling priority, keeps base plate 27 constant with the expansion link relative position of right side hydraulic jack 23 by the optoelectronic switch synchronous shifter on the slideway of clamping plate 33 and base 16 formation.By the movement of the trigger mechanism on the contiguous block 28 that is fixed in right side hydraulic jack 23 cylinder base, excite and control the accurate motion of right side stamping knife 18.
Such as Fig. 5, shown in Figure 6, optoelectronic switch synchronous shifter and trigger mechanism structure chart comprise bottom contiguous block 28, L shaped 29, guide plate 32, regulation gate valve 25, base plate 27, clamping plate 33.
Regulation gate valve 25 is fixedly mounted on the end face of the expansion link of right side hydraulic jack 23, and guide plate 32 links to each other with regulation gate valve 25 by inside groove, keeps relative position with the hydraulic cylinder extension bar with this.Right side optoelectronic switch 30 is fixed on the base plate 27 by right side optoelectronic switch support 31, and clamping plate 33 are fixed on the base 16, base plate 27 on the slideway that clamping plate 33 and base 16 forms along the pressing direction traveling priority.Base plate 27 is fixedly connected with by screw 26 with guide plate 32.Bottom contiguous block 28 is installed in right side hydraulic jack 23 cylinder base, and is connected with L shaped 29, by the triggering optoelectronic switch that relatively moves of bottom contiguous block 28 and L shaped 29 minor face and right side optoelectronic switch.
Electric generator rotor coil rushes tongue hole feed arrangement, and it rushes the spacing except limit switch of tongue hole processing action, also by increasing the motion process optoelectronic switch, keeps its action synchronism.After punching press action is finished, by optoelectronic switch the action of two drifts is kept harmoniously, and then carry out the feeding punching press second time.By the punching press of twice substep, finish the punching press of side direction ligulate air duct.Thereby solve the assurance problem of rotor bar lateral tongue hole symmetry in the punching out process.
Shown in Fig. 3,4, stamping rotor line rod lateral ventilation hole action step:
The action I: initial position 34, the optoelectronic switch that is in this position is triggered.Stamping knife is positioned at initial position, i.e. the action in punching out ventilation tongue hole begins position after front position and the release.
The action II: centre position I 36, the optoelectronic switch that is in this position is triggered.Stamping knife marches to is close to line rod outer edge, and control system detects the rear outage that puts in place, waits for after other end stamping knife puts in place beginning to power up operation.
The action III: centre position II 35, the optoelectronic switch that is in this position is triggered.Stamping knife marches to the thoroughly outer layer line rod of punching place, and control system detects the rear outage that puts in place, waits for after other end stamping knife puts in place beginning to power up operation.
The action IV: final position 36, the optoelectronic switch that is in this position is triggered.Stamping knife marches to interior layer line bar edge place, and stamping knife does not readvance behind this position.
Before rotor coil rushes the tongue hole, it is the straight hollow conductor line rod with the centralized positioning circular hole.During punching out tongue hole, will prop up according to the list of honest material under the drawing rotor bar 17 and be positioned in the line rod bracket, and with line rod horizontal location, press the compression button, it is tight with wire bar clip that tongue hole pressure head is rushed in the drive of vertical hydraulic oil cylinder.The punching button of outwarding winding, the both sides stamping knife arrives the final position synchronously, the return push-button of outwarding winding, both sides stamping knife correcting action is lifted down made coil getting final product at last.
Although above-mentionedly by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection range of the present utility model.

Claims (9)

1. an electric generator rotor coil rushes in the pressure V-type nest equipment of tongue hole and rushes tongue hole feed arrangement, it is characterized in that, comprise corresponding left side hydrofeed and right side hydrofeed, be equipped with the optoelectronic switch control device on described left side hydrofeed and the right side hydrofeed, described left side hydrofeed, right side hydrofeed and optoelectronic switch control device all link to each other with control system by circuit.
2. device as claimed in claim 1, it is characterized in that described left side hydrofeed comprises the left side hydraulic jack, the cylinder body of described oil cylinder is fixedly connected with cover plate, cover plate is fixed on the left panel by screw, is provided with between cover plate and the left panel by screw to be fixed in left pipe on the left panel; Left panel is fixed on the base; The expansion link of hydraulic cylinder by screw thread with can in the base die cavity, be connected by the left guide plate of traveling priority, left guide plate adjusts pad by the left side and the left side stamping knife is fixed; The adjustable ring of regulating left guide plate initial position is installed on the expansion link of hydraulic cylinder; Be fixed with the left side photoelectric switch that matches with adjustable ring on the left pipe.
3. device as claimed in claim 2 is characterized in that, described left side photoelectric switch comprises the left side optoelectronic switch that four diverse locations are arranged, and the left side optoelectronic switch is fixed on the diverse location of left pipe by left side optoelectronic switch support respectively.
4. device as claimed in claim 2 is characterized in that, described left side is adjusted pad and comprised the square adjustment pad in left side, left side U-shaped adjustment pad and the square briquetting in left side, and the square briquetting in described left side directly compresses the left side stamping knife.
5. device as claimed in claim 1 is characterized in that, described right side hydrofeed comprises the right side hydraulic jack, and the cylinder body of right side hydraulic jack is moving member, and it is arranged on the copper guide rail that is fixedly mounted on the base, and can be along its traveling priority; The cylinder body of right side hydraulic jack is adjusted pad by the right side and is fixedly connected with the right side stamping knife; The expansion link of right side hydraulic jack is connected with right panel on being fixed in base by self screw thread, and the end of described expansion link is fixed by screw and regulation gate valve; Described base is provided with clamping plate, and shape slideway in line between base and the clamping plate, and being provided with in the described linear ramp can be along its optoelectronic switch synchronous shifter that moves, and the optoelectronic switch synchronous shifter is provided with the right side photoelectric switch; The bottom of described base plate right side cylinder body of hydraulic oil cylinder is fixed with the trigger mechanism that matches with described right side photoelectric switch.
6. device as claimed in claim 5 is characterized in that, described optoelectronic switch synchronous shifter comprises guide plate and base plate, described base plate is positioned at linear ramp, and can move along it, base plate is fixedly connected with guide plate by screw, and guide plate links to each other with regulation gate valve by inside groove.
7. device as claimed in claim 5 is characterized in that, described trigger mechanism comprises the bottom contiguous block, the bottom contiguous block links to each other with L shaped, by relatively moving between bottom contiguous block and L shaped minor face and the right side optoelectronic switch, trigger optoelectronic switch, be used for accurately advancing of control appliance.
8. device as claimed in claim 5 is characterized in that, described right side photoelectric switch comprises the right side optoelectronic switch that four diverse locations are arranged, and described right side optoelectronic switch is fixed on the diverse location of base plate by right side optoelectronic switch support respectively.
9. device as claimed in claim 5 is characterized in that, described right side is adjusted pad and comprised the square adjustment pad in right side, right side U-shaped adjustment pad and the square briquetting in right side, and the square briquetting in described right side directly compresses the right side stamping knife.
CN 201220451161 2012-09-05 2012-09-05 Bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment Expired - Fee Related CN202772757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220451161 CN202772757U (en) 2012-09-05 2012-09-05 Bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220451161 CN202772757U (en) 2012-09-05 2012-09-05 Bolt hole punching feeding device in generator rotor coil bolt punching hole pressing V-shaped recess equipment

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CN202772757U true CN202772757U (en) 2013-03-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102806268A (en) * 2012-09-05 2012-12-05 山东齐鲁电机制造有限公司 Tongue hole punching feed unit of generator rotor coil tongue hole punching and V-type pit pressing equipment
CN104795941A (en) * 2015-05-11 2015-07-22 苏州博众精工科技有限公司 Automatic coiling mechanism for stator winding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102806268A (en) * 2012-09-05 2012-12-05 山东齐鲁电机制造有限公司 Tongue hole punching feed unit of generator rotor coil tongue hole punching and V-type pit pressing equipment
CN102806268B (en) * 2012-09-05 2014-04-09 山东齐鲁电机制造有限公司 Tongue hole punching feed unit of generator rotor coil tongue hole punching and V-type pit pressing equipment
CN104795941A (en) * 2015-05-11 2015-07-22 苏州博众精工科技有限公司 Automatic coiling mechanism for stator winding
CN104795941B (en) * 2015-05-11 2017-05-17 苏州博众精工科技有限公司 Automatic coiling mechanism for stator winding

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

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CF01 Termination of patent right due to non-payment of annual fee