CN119681302A - A precision punching device for the gear-adjusting connecting rod of a traction transformer - Google Patents

A precision punching device for the gear-adjusting connecting rod of a traction transformer Download PDF

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Publication number
CN119681302A
CN119681302A CN202411713874.1A CN202411713874A CN119681302A CN 119681302 A CN119681302 A CN 119681302A CN 202411713874 A CN202411713874 A CN 202411713874A CN 119681302 A CN119681302 A CN 119681302A
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China
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connecting rod
fixed
flange
punching
calibrator
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CN202411713874.1A
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CN119681302B (en
Inventor
陈翰南
王志强
林云志
邓云川
靳冲
李景孟
张润宝
李强
李维佳
陈刚
刘红军
范浩洋
刘孟恺
文菓
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China Railway Electric Industries Co ltd
China Railway Eryuan Engineering Group Co Ltd CREEC
China State Railway Group Co Ltd
Third Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
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China Railway Electric Industries Co ltd
China Railway Eryuan Engineering Group Co Ltd CREEC
China State Railway Group Co Ltd
Third Engineering Co Ltd of China Railway Electrification Engineering Group Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The invention discloses a precise punching device for a gear shifting connecting rod of a traction transformer, which comprises a double-track sliding rail, sliding blocks I and II, hoops I and II and a fixture, wherein the double-track sliding rail, the sliding blocks I and II, the hoops I and II and the fixture are fixed on a workbench, the fixture comprises a supporting plate, a multi-line-section flange supporting plate, a flange front baffle and two flange rear baffles, the multi-line-section flange supporting plate corresponds to the hoops I and II, the connecting rod is just positioned in the hoops I and II after the flange is arranged on the multi-line-section flange supporting plate, a punching mechanism is fixed on a fixed seat of the sliding block I and comprises a base and an L-shaped drill supporting frame, a drill bit facing downwards is fixed at one end of the L-shaped drill supporting frame and is opposite to the position where the gear shifting connecting rod needs to be punched, and a calibration mechanism comprises a calibration supporting frame and a calibrator when punching is carried out. The invention can adapt to the punching of the gear shifting connecting rods with different lengths, avoid the deviation of punching positions, and can measure the punching error in real time so as to carry out precise punching control.

Description

Accurate perforating device of traction transformer gear shifting connecting rod
Technical Field
The invention belongs to the technical field of manufacturing equipment of gear shifting connecting rods of traction transformers, and particularly relates to a precise punching device of a gear shifting connecting rod of a traction transformer.
Background
Traction transformers are very important power supply components in electrified railway transportation, and are widely applied at home and abroad. In order to meet the voltage stabilization requirement of power supply equipment, a traction transformer is often required to have a gear shifting function, and through the function, an operator can operate a switch electric operating mechanism of the traction transformer according to the requirement to control the change of a circular hole position above a gear shifting connecting rod, so that gear shifting work of the traction transformer is realized. Therefore, the accuracy of the circular hole position above the gear shifting connecting rod is a key for ensuring the voltage stability of the traction transformer.
The manufacture of the round hole above the gear shifting connecting rod of the existing traction transformer adopts manual control for punching. The position of the punching is determined by the position of a standard hole on a flange plate fixed at one end of the gear shifting connecting rod. Because the gear shifting connecting rod is longer, the dead weight is larger, a plurality of operators are required to mutually cooperate to finish the task in the punching process, one operator is required to support the flange plate at one end of the gear shifting connecting rod to enable the flange plate to be vertical to the ground, the other operator lifts the gear shifting connecting rod to enable the gear shifting connecting rod to be parallel to the ground, the last operator performs the punching task by using a drill at the joint of the flange plate and the gear shifting connecting rod, the punching precision cannot be ensured due to position deviation caused by punching vibration in the processing process, the accuracy of the round hole position on the gear shifting connecting rod is poor, and finally the gear shifting precision of the traction transformer cannot meet the requirement of industrial production. Therefore, it is important to design a precise punching device for the gear shifting connecting rod, which has high punching precision and can measure production errors in real time.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a precise punching device for a gear shifting connecting rod of a traction transformer, which can adapt to punching of gear shifting connecting rods with different lengths, has wide application range, avoids position deviation of a flange plate and the gear shifting connecting rod caused by punching vibration, can measure punching errors in real time so as to perform precise punching control, and has high punching precision.
The technical scheme is that the precise punching device comprises a workbench, a punching mechanism, a gear shifting connecting rod mounting device and a calibrating mechanism, wherein the gear shifting connecting rod mounting device comprises a double-track sliding rail, a sliding block I and a sliding block II which are fixed on the workbench, a hoop I and a hoop II which are fixed at corresponding positions between the sliding block I and the sliding block II, and a fixture tool, a fixing seat of the punching mechanism is fixed at the upper end of one end of the sliding block I, the fixture tool comprises a supporting plate fixed on the workbench, a multi-wire section flange support plate and a flange front baffle plate which are integrated with the supporting plate, two flange rear baffles which are rotatably fixed at the lower end of the multi-wire section flange support plate, after the flange of the gear shifting connecting rod is arranged on the multi-wire section flange support plate, the connecting rod is exactly positioned in the hoop I and the hoop II, the punching mechanism is fixed on the fixing seat of the sliding block I, the fixture tool comprises a base and an L-shaped drill bit which is rotatably fixed on the base, and the calibrating mechanism is fixed on the supporting frame when the drill bit is aligned to the top end of the workbench, and the calibrating device is fixed on the supporting frame when the drill bit is aligned to the top end of the drill bit.
Further preferably, the double-track sliding rail is two convex tracks, clamping grooves which are slidably and tightly assembled with the convex tracks are formed in the lower ends of two ends of the sliding block I and the sliding block II, a fixing seat of the punching mechanism is more than three bolts fixed at the upper end of one end of the sliding block I, a base of the punching mechanism is provided with a mounting hole matched with each bolt on the fixing seat of the punching mechanism, and the bolts are locked and fixed through nuts after penetrating through the mounting holes. The structure is easy to disassemble, move and replace parts.
Further preferably, the L-shaped drill bit support frame of the punching mechanism comprises a support shaft fixed on the base and an L-shaped sleeve shaft which is tightly assembled and sleeved outside the support shaft and can slide, the L-shaped sleeve shaft is sleeved outside the support shaft, a limit groove along the length direction of the support shaft is formed in the support shaft, a fixed cylinder is fixed outside the L-shaped sleeve shaft, a limit bolt is mounted on the fixed cylinder and screwed on the fixed cylinder in a threaded manner and is propped in the limit groove of the support shaft, and a rotary controller of the drill bit is fixed at the upper end of the L-shaped sleeve shaft and controls the rotation of the drill bit through a handle.
Further preferably, the support positions of the multi-line section flange support plate are arc-like support surfaces formed by an even number of line segments with different slopes, the two line segments which are symmetrically distributed with a central axis perpendicular to the arc-like support surfaces as symmetry are symmetrically arranged, the slopes are identical, and the flange front baffle and the flange rear baffle are respectively distributed at the front end and the rear end of the multi-line section flange support plate to clamp and fix the flange of the gear shifting connecting rod.
Further preferably, the calibrator of the calibrating mechanism is a laser calibrator, and the anchor ear I and the anchor ear II are both provided with quick locks.
The clamping device has the beneficial effects that the clamping device can effectively clamp and fix the gear-shifting connecting rods with different lengths through the sliding blocks I, the sliding blocks II, the hoops I and the hoops II of the gear-shifting connecting rod installation device, limit the flanges with different voltage levels through the fixture tool, and quickly determine errors in the punching process in real time through the calibration mechanism. In summary, the gear shifting connecting rod mounting device can effectively avoid position deviation caused by punching vibration of the gear shifting connecting rod, and the calibration mechanism can realize accurate real-time measurement and control of errors, so that the accuracy of punching the gear shifting connecting rod is improved, the gear shifting connecting rod mounting device can adapt to punching of gear shifting connecting rods with different lengths, and the application range is wide.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a punching mechanism according to the present invention;
FIG. 3 is a schematic perspective view of a gear shifting connecting rod mounting device with a fixture removed;
FIG. 4 is a schematic perspective view of a calibration mechanism according to the present invention;
FIG. 5 is a schematic perspective view of a fixture tool according to the present invention;
Fig. 6 is a schematic perspective view of a fixture for clamping a connecting disc of a gear shifting connecting rod.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
As shown in fig. 1 to 6, the present embodiment includes a table 1, a punching mechanism 2, a shift link mounting device, and a calibration mechanism 4. The workbench 1 is a horizontal workbench, four supporting legs 11 are arranged at four corners of the lower end of the workbench, and a pulling rib plate 12 is fixed between the four supporting legs 11. The gear shifting connecting rod mounting device comprises a double-track sliding rail 6 fixed on the workbench 1, a sliding block I31 and a sliding block II32 which are slidably fixed on the double-track sliding rail 6, and a hoop I33, a hoop II34 and a clamp tool 5 which are fixed at corresponding positions in the middle of the sliding block I31 and the sliding block II 32. Preferably, both hoop I33 and hoop II34 are provided with quick locks. A fixing seat of the punching mechanism 2 is fixed at the upper end of one end of the sliding block I31. The punching mechanism 2 is fixed on a fixed seat of the sliding block I31, and comprises a base 21 and an L-shaped drill bit support frame 22 rotatably fixed on the base 21, wherein a drill bit 23 with a downward direction is fixed at one end of the L-shaped drill bit support frame 22, and when punching, the drill bit 23 is opposite to a position where the gear shifting connecting rod 7 needs to be punched. Preferably, the double-track slide rail 6 is two convex tracks, and clamping grooves which are slidably and tightly assembled with the convex tracks are formed in the lower ends of the two ends of the sliding block I31 and the sliding block II 32. The fixing seat of the punching mechanism 2 is provided with three (4, 5, etc. can be designed according to the requirement) bolts 35 fixed at the upper end of one end of the sliding block I31, the base 21 of the punching mechanism 2 is provided with a mounting hole matched with each bolt 35 on the fixing seat of the punching mechanism 2, and the bolts 35 are locked and fixed by nuts after penetrating through the mounting holes. The fixture tool 5 comprises a supporting plate 51 fixed on the workbench 1, a multi-line-section flange supporting plate 52 and a flange front baffle 53 which are integrated with the supporting plate 51, and two flange rear baffles 54 which are rotatably fixed at the lower end of the multi-line-section flange supporting plate 52 by screws 55. The multi-line segment flange support plate 52 corresponds to the anchor ear I33 and the anchor ear II34, and after the flange 71 of the gear shifting connecting rod 7 is arranged on the multi-line segment flange support plate 52, the connecting rod is just positioned in the anchor ear I33 and the anchor ear II 34. Preferably, the support position of the multi-line-section flange support plate 52 is an arc-like support surface formed by an even number of line segments with different slopes, two line segments which are symmetrically distributed with a central axis perpendicular to the arc-like support surface are symmetrically arranged, the slopes are the same, and the flange front baffle 53 and the two flange rear baffles 54 are respectively distributed at the front end and the rear end of the multi-line-section flange support plate 52 to clamp and fix the flange 71 of the gear shifting connecting rod 7. The alignment mechanism 4 includes an alignment support 41 fixed to the table 1 and an alignment tool 42 fixed to the top end of the alignment support 41, and the alignment tool 42 is aligned with the drill bit 23 when punching. Preferably, the calibrator 42 of the calibration mechanism 4 is a laser calibrator. Preferably, the L-shaped drill bit support frame 22 of the punching mechanism comprises a support shaft 221 fixed on the base 21 and an L-shaped sleeve shaft 222 tightly assembled outside the support shaft 221 and capable of sliding, wherein the L-shaped sleeve shaft 222 is sleeved outside the support shaft 221, a limit groove 224 along the length direction of the support shaft is formed in the support shaft 221, a fixed cylinder 25 is fixed outside the L-shaped sleeve shaft 222, a limit bolt 223 is mounted on the fixed cylinder 25, the limit bolt 223 is screwed on the fixed cylinder 25 and is propped in the limit groove 224 of the support shaft 221, and a rotary controller 24 of the drill bit 23 is fixed at the upper end of the L-shaped sleeve shaft 222 and controls the rotation of the drill bit 23 through a handle 241.
The working principle of the embodiment is that the connecting rod of the gear shifting connecting rod 7 is placed in the anchor ear I33 and the anchor ear II34 of the sliding block I31 and the sliding block II32, the distance between the sliding block I31 and the sliding block II32 is adjusted so as to adapt to gear shifting connecting rods with different lengths, and after adjustment, the connecting rod is fixed through quick lock catches on the anchor ear I33 and the anchor ear II 34. The flange of the gear shifting connecting rod is placed above the multi-line adjustable clamp 5, and the multi-line flange support plate 52 is automatically adapted to flanges with different outer diameter sizes and is clamped and fixed through the flange front baffle 53 and the two flange rear baffles 54. The position of the drill bit 23 of the punching mechanism and the round hole above the flange plate are adjusted by laser projected by a calibrator 42 (the laser calibrator in the embodiment), the gear shifting connecting rod is pushed into the flange plate by a sliding hoop module 3, and the punching work is carried out by a drilling machine 201 of the punching mechanism 2, so that the punching error range in production can be determined by laser projected by the laser calibration module 4.
There are, of course, many other embodiments of the invention that will be apparent to those skilled in the art from consideration of this disclosure without departing from the spirit and nature of the invention, and that will fall within the scope of the claims.

Claims (9)

1.一种牵引变压器调挡连杆的精密打孔装置，其特征在于：包括工作台、打孔机构、调挡连杆安装装置和校准机构；调挡连杆安装装置包括固定在工作台上的双轨道滑轨、可滑动地固定在双轨道滑轨上的滑块Ⅰ和滑块Ⅱ、固定在滑块Ⅰ和滑块Ⅱ中间对应位置的抱箍Ⅰ和抱箍Ⅱ、夹具工装；在滑块Ⅰ一端的上端固定有打孔机构的固定座；夹具工装包括固定在工作台上的支撑板，与支撑板一体的多线段法兰盘支板和法兰盘前挡板，可旋转地固定在多线段法兰盘支板下端的两法兰盘后挡板；多线段法兰盘支板与抱箍Ⅰ和抱箍Ⅱ相对应，调挡连杆的法兰盘置于多线段法兰盘支板上后，其连杆正好位于抱箍Ⅰ和抱箍Ⅱ内；打孔机构固定在滑块Ⅰ的固定座上，其包括底座和可旋转地固定在底座上的L型钻头支撑架，方向向下的钻头固定在L型钻头支撑架一端，打孔时，钻头正对调挡连杆需要打孔的位置；校准机构包括固定在工作台上的校准支撑架和固定在校准支撑架顶端的校准器，打孔时，校准器对准钻头。1. A precision punching device for a traction transformer shifting connecting rod, characterized in that it comprises a workbench, a punching mechanism, a shifting connecting rod mounting device and a calibration mechanism; the shifting connecting rod mounting device comprises a double-track slide fixed on the workbench, a slider I and a slider II slidably fixed on the double-track slide, a clamp I and a clamp II fixed at corresponding positions between the slider I and the slider II, and a fixture; a fixing seat of the punching mechanism is fixed at the upper end of one end of the slider I; the fixture comprises a support plate fixed on the workbench, a multi-segment flange support plate and a flange front baffle plate integral with the support plate, and rotatably fixed on the multi-segment Two flange rear baffles at the lower end of the flange support plate; the multi-segment flange support plate corresponds to the clamp I and the clamp II, and after the flange of the shift connecting rod is placed on the multi-segment flange support plate, its connecting rod is just located in the clamp I and the clamp II; the punching mechanism is fixed on the fixed seat of the slider I, which includes a base and an L-shaped drill support frame rotatably fixed on the base, and a downward drill bit is fixed at one end of the L-shaped drill support frame. When drilling, the drill bit is directly opposite to the position where the shift connecting rod needs to be drilled; the calibration mechanism includes a calibration support frame fixed on the workbench and a calibrator fixed on the top of the calibration support frame. When drilling, the calibrator is aligned with the drill bit. 2.根据权利要求1所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述的双轨道滑轨为两根凸字型轨道；所述滑块Ⅰ和滑块Ⅱ的两端下端都有与凸字型轨道可滑动地紧装配的卡接槽；所述打孔机构的固定座是固定在滑块Ⅰ一端上端的三个以上的螺栓；所述打孔机构的底座是一开有与打孔机构固定座上的各螺栓相匹配的安装孔；螺栓穿在安装孔内后，由螺母锁紧固定。2. The precision punching device for the shift connecting rod of the traction transformer according to claim 1 is characterized in that: the double-track slide rails are two convex-shaped tracks; the lower ends of both ends of the sliders I and II have snap-in grooves that can be slidably and tightly assembled with the convex-shaped tracks; the fixing seat of the punching mechanism is three or more bolts fixed to the upper end of one end of the slider I; the base of the punching mechanism is a mounting hole with matching bolts on the fixing seat of the punching mechanism; after the bolts are passed through the mounting holes, they are locked and fixed by nuts. 3.根据权利要求1或2所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述打孔机构的L型钻头支撑架包括固定在底座上的支撑轴和紧装配套在支撑轴外并能滑动的L型套筒轴，L型套筒轴套在支撑轴外；支撑轴上开有沿支撑轴长度方向的限位槽；L型套筒轴外固定有固定筒，固定筒安装有限位螺栓，限位螺栓螺纹拧接在固定筒上并顶接在支撑轴的限位槽内；钻头的旋转控制器固定在L型套筒轴的上端，其由手柄控制钻头的旋转。3. The precision drilling device for the shift connecting rod of the traction transformer according to claim 1 or 2 is characterized in that: the L-shaped drill bit support frame of the drilling mechanism includes a support shaft fixed on the base and an L-shaped sleeve shaft tightly fitted outside the support shaft and capable of sliding, the L-shaped sleeve shaft is sleeved outside the support shaft; a limiting groove along the length direction of the support shaft is opened on the support shaft; a fixing cylinder is fixed outside the L-shaped sleeve shaft, and a limiting bolt is installed on the fixing cylinder, the limiting bolt is threadedly screwed on the fixing cylinder and top-connected in the limiting groove of the support shaft; the rotation controller of the drill bit is fixed to the upper end of the L-shaped sleeve shaft, and the rotation of the drill bit is controlled by a handle. 4.根据权利要求3所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述多线段法兰盘支板的支撑位为由偶数个不同斜率线段形成的似弧形支撑面，以垂直于似弧形支撑面的中心轴为对称分布的两线段对称设置，斜率相同；所述法兰盘前挡板和法兰盘后挡板分别分布在多线段法兰盘支板前后端，将调挡连杆的法兰盘夹持固定。4. The precision punching device for the shifting connecting rod of the traction transformer according to claim 3 is characterized in that: the supporting position of the multi-segment flange support plate is an arc-shaped supporting surface formed by an even number of line segments with different slopes, and two line segments symmetrically distributed perpendicular to the central axis of the arc-shaped supporting surface are symmetrically arranged with the same slope; the flange front baffle plate and the flange rear baffle plate are respectively distributed at the front and rear ends of the multi-segment flange support plate to clamp and fix the flange of the shifting connecting rod. 5.根据权利要求4所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述校准机构的校准器为激光校准仪；所述抱箍Ⅰ和抱箍Ⅱ上都设置有快速锁扣。5. The precision punching device for the shift connecting rod of the traction transformer according to claim 4 is characterized in that: the calibrator of the calibration mechanism is a laser calibrator; and quick locks are provided on the clamps I and II. 6.根据权利要求1或2所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述多线段法兰盘支板的支撑位为由偶数个不同斜率线段形成的似弧形支撑面，以垂直于似弧形支撑面的中心轴为对称分布的两线段对称设置，斜率相同；所述法兰盘前挡板和法兰盘后挡板分别分布在多线段法兰盘支板前后端，将调挡连杆的法兰盘夹持固定。6. The precision punching device for the shifting connecting rod of the traction transformer according to claim 1 or 2 is characterized in that: the supporting position of the multi-segment flange support plate is an arc-shaped supporting surface formed by an even number of line segments with different slopes, and two line segments symmetrically distributed perpendicular to the central axis of the arc-shaped supporting surface are symmetrically arranged with the same slope; the flange front baffle plate and the flange rear baffle plate are respectively distributed at the front and rear ends of the multi-segment flange support plate to clamp and fix the flange of the shifting connecting rod. 7.根据权利要求6所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述校准机构的校准器为激光校准仪；所述抱箍Ⅰ和抱箍Ⅱ上都设置有快速锁扣。7. The precision punching device for the shift connecting rod of the traction transformer according to claim 6 is characterized in that: the calibrator of the calibration mechanism is a laser calibrator; and quick lock buckles are provided on the clamps I and II. 8.根据权利要求3所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述校准机构的校准器为激光校准仪；所述抱箍Ⅰ和抱箍Ⅱ上都设置有快速锁扣。8. The precision punching device for the shift connecting rod of the traction transformer according to claim 3 is characterized in that: the calibrator of the calibration mechanism is a laser calibrator; and quick lock buckles are provided on the clamps I and II. 9.根据权利要求1或2所述的牵引变压器调挡连杆的精密打孔装置，其特征在于：所述校准机构的校准器为激光校准仪；所述抱箍Ⅰ和抱箍Ⅱ上都设置有快速锁扣。9. The precision punching device for the shift connecting rod of the traction transformer according to claim 1 or 2, characterized in that: the calibrator of the calibration mechanism is a laser calibrator; and quick locks are provided on the clamps I and II.
CN202411713874.1A 2024-11-27 2024-11-27 Accurate perforating device of traction transformer gear shifting connecting rod Active CN119681302B (en)

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CN118492444A (en) * 2024-06-11 2024-08-16 中国三冶集团有限公司 Drilling device for horizontal row pipe of coke oven basement and use method thereof

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CN220217529U (en) * 2023-03-29 2023-12-22 青岛伟硕金属科技有限公司 Tool for machining flange pipe
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CN118268623A (en) * 2024-05-07 2024-07-02 山东新申昊智能装备有限公司 Seamless steel pipe drilling machine
CN118492444A (en) * 2024-06-11 2024-08-16 中国三冶集团有限公司 Drilling device for horizontal row pipe of coke oven basement and use method thereof

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