CN105798091B - Extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release - Google Patents

Extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release Download PDF

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Publication number
CN105798091B
CN105798091B CN201610299545.6A CN201610299545A CN105798091B CN 105798091 B CN105798091 B CN 105798091B CN 201610299545 A CN201610299545 A CN 201610299545A CN 105798091 B CN105798091 B CN 105798091B
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China
Prior art keywords
angle
workpiece
release
benchmark frame
fixed mount
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CN201610299545.6A
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CN105798091A (en
Inventor
张建勇
龚正洪
曹红兵
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JIANGSU XIANGYU POWER EQUIPMENT MANUFACTURING Co Ltd
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JIANGSU XIANGYU POWER EQUIPMENT MANUFACTURING Co Ltd
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Publication of CN105798091A publication Critical patent/CN105798091A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/06Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/16Auxiliary equipment, e.g. for heating or cooling of bends
    • B21D7/162Heating equipment

Abstract

The invention discloses a kind of extra-high voltage iron tower angle all-in-one is closed with big specification angle steel high-frequency heating angle of release, frock substrate top surface is provided with Workpiece placing tool, Workpiece placing tool includes the fixed mount extended in front-rear direction, the side of fixed mount is provided with angle of release benchmark frame or closes angle benchmark frame, top or fixed mount between fixed mount and angle of release benchmark frame and close that top between the benchmark frame of angle is up and down to be connected with briquetting, the bottom surface of the briquetting is fixed with bending pressing mold, the side of the bending pressing mold bottom is matched with domatic A, opposite side is less than degree with the angle of horizontal plane or matched with domatic C.From structure of the present invention, by the way that high frequency heating machine and bending mechanism are combined together, so that can be bent immediately without turnover after workpiece heat, avoid thermal loss, reduce energy consumption, workpiece turnover is eliminated simultaneously, is improved production efficiency, be it also avoid the hidden danger that operative employee is scalded in workpiece circular flow by workpiece.

Description

Extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release
Technical field
The present invention relates to the big specification angle steel manufacture field of extra-high voltage iron tower, and in particular to a kind of big specification of extra-high voltage iron tower Angle steel high-frequency heating angle of release closes angle all-in-one.
Background technology
Extra-high pressure energy greatly promotes the conveying capacity of China's power network.The data display provided according to State Grid Corporation of China, one time Road extra-high voltage direct-current power network can send 6,000,000 kilowatts of electricity, equivalent to 5 to 6 times of existing 500 Kilovolt Direct Current net, and send Electrical distance is also 2 to 3 times of the latter, therefore efficiency is greatly improved.In addition, calculating according to State Grid Corporation of China, same power is conveyed Electricity, if using extra high voltage line transmit electricity can than saved using 500 kilovolts of high-tension lines 60% land resource.
Steel tower needed for extra-high voltage conveying compares the steel tower of common high-pressure delivery, and the material requirements to its structure is higher, Typically all need width 160 ~ 350 millimeters of scopes, thickness 8 ~ 35 millimeters of scopes angle steel.Due to steel tower construction when Wait, it is necessary to mutually be spliced.In order to normal splicing, angle steel is required for carrying out certain bending, angle of release or closes angle.But For the angle steel of so big specification, common cold press can not be bent, it is necessary to after workpiece heat to red heat state, Bent again.All it is that big specification angle steel workpiece is placed in heating furnace to be heated in current industry, with workpiece heat to red Workpiece week is gone to bar folder again and bent by Warm status.Due to needing turnover after heating, the workpiece after heating is exposed to outside, The thermal loss of workpiece is not only resulted in, and can all have the hidden danger being burned for workman.Further, since workpiece is whole in itself It is heated, during bending, the region that need not be bent originally be able to may also be deformed upon, causes the inferior of workpiece bending Rate is of a relatively high.
The content of the invention
It is an object of the invention to:Overcome the deficiencies in the prior art high with big specification angle steel there is provided a kind of extra-high voltage iron tower Frequency heating angle of release closes angle all-in-one, by the way that high frequency heating machine and bending mechanism are combined together so that nothing after workpiece heat Need to have enough to meet the need to be bent immediately, it is to avoid thermal loss, reduce energy consumption, while eliminating workpiece turnover, improve production Efficiency, it also avoid the hidden danger that operative employee is scalded in workpiece circular flow by workpiece;By the way that heating coil is arranged into workpiece Bend the shape of deformed region, i.e., heated partses play deformed region, on the premise of the effect that workpiece is bent is ensured, subtract The area of workpiece heat is lacked, it is possible to reduce the energy consumption needed for heated partses;It is curved by the way that heating coil is arranged into workpiece Roll over the shape of deformed region, i.e., heated partses play deformed region, it is ensured that not heated region is in workpiece bending process In will not deform upon, so as to ensure the bending quality of workpiece, and reduce the inferior rate of the bending of workpiece;Pass through centralising device Effect, workpiece can be subjected to centering, so as to ensure that the bending quality of workpiece;Column is the support column of top plate, also for The lead of briquetting, simplifies device structure, improves the utilization rate of column;By the effect of Workpiece placing tool, realize The accurate angle of release and He Jiao of workpiece;The side side of benchmark frame is domatic B, and opposite side side is domatic C, so as to so that benchmark Frame can not only have been used as angle of release benchmark frame but also can used as angle benchmark frame is closed, and improved the utilization rate of benchmark frame, reduced The production cost of enterprise;It is connected by frock substrate with base rotation, consequently facilitating workpiece is carrying out angle of release and closing cutting for angle Change, reduce the labor intensity of operative employee.
The technical solution used in the present invention is:
Extra-high voltage iron tower closes angle all-in-one, including base with big specification angle steel high-frequency heating angle of release, and the base top surface is set There is frock substrate, the frock substrate top surface is provided with Workpiece placing tool, and the Workpiece placing tool includes prolonging in front-rear direction The fixed mount stretched, the side of the fixed mount is provided with angle of release benchmark frame or closes angle benchmark frame, and the fixed mount is towards angle of release benchmark Frame or the side end face for closing angle benchmark frame are domatic A horizontal by 45 degree of inclination angles, and the angle of release benchmark frame is towards fixed mount End face be domatic B horizontal by 45 degree of inclination angles, the domatic B is vertical with domatic A, and the conjunction angle benchmark frame is towards fixation Domatic C of the end face of frame for the inclination angle with horizontal plane more than 45 degree and less than 90 degree, the folder between the domatic A and domatic C Angle is obtuse angle, above and below the top between top or fixed mount and conjunction angle benchmark frame between fixed mount and angle of release the benchmark frame Be connected with briquetting, the bottom surface of the briquetting is fixed with bending pressing mold, the side of the bending pressing mold bottom with domatic A Match somebody with somebody, opposite side is less than 45 degree with the angle of horizontal plane or matched with domatic C, and the briquetting provides driving by hydraulic piston Power, the hydraulic piston is fixed on top plate, and the top plate is fixed by column with base;The left and right sides of the base is right respectively Claim to be provided with high frequency heating machine, shape and the bending deformed region shape of workpiece that the heating coil of the high frequency heating machine is surrounded It is identical.
Further improvement project of the invention is that the frock substrate horizontally rotates the top surface for being connected to base by vertical shaft, The vertical shaft is located at the underface at fixed mount center, and the angle of release benchmark frame and conjunction angle benchmark frame are respectively arranged on the two of fixed mount Side, when frock substrate rotating to fixed mount points to fore-and-aft direction, bending pressing mold is located at angle of release benchmark frame and fixed mount The surface of junction, or the surface positioned at the junction for closing angle benchmark frame and fixed mount.
Further improvement project of the invention is, the parallel fixation of length direction of the top of the frock substrate along fixed mount There is bar shaped bar, the angle of release benchmark frame or conjunction angle benchmark are set up in the groove that bar shaped bar and fixed mount are formed.
Further improvement project of the invention is that the angle of release benchmark, which is set up, two, two neighboring angle of release benchmark frame it Between distance be equal to workpiece angle of release bending width.
Further improvement project of the invention is that the conjunction angle benchmark frame, at least provided with one, is one when closing angle benchmark frame When individual, the width for closing angle benchmark frame is equal to the width that workpiece closes angle bending;When it is multiple to close angle benchmark frame, two neighboring conjunction angle Benchmark frame is bonded to each other, and the overall width of multiple conjunction angle benchmark framves is equal to the width that workpiece closes angle bending.
Further improvement project of the invention is that the angle of release benchmark frame and conjunction angle benchmark frame are same benchmark frame, institute The side end face for stating benchmark frame is domatic B, and the benchmark frame another side end face relative with domatic B is domatic C.
Further improvement project of the invention is that what the heating coil was surrounded is shaped as " Qian " character form structure, described The width of heating coil is equal with the width of angle of release bending or the conjunction angle bending of workpiece, and the top of heating coil is with being placed on workpiece Flushed at the top of the workpiece of accommodating tool, the bottom of heating coil is flushed with being placed on the workpiece bottom of Workpiece placing tool.
Further improvement project of the invention is that the column is at four drift angles of base;The column passes through pressure Block, top plate and base fixed, the column is the lead of briquetting.
Further improvement project of the invention is that the hydraulic cylinder of the hydraulic piston is fixed on the top of top plate, and hydraulic pressure is lived The hydraulic rod end of plug extends downwardly from hydraulic cylinder and fixed through the top of top plate and briquetting.
Further improvement project of the invention is that the heating coil of the high frequency heating machine is fixed on the front end of expansion bracket, The expansion bracket is flexibly connected by leading screw with the underframe of high frequency heating machine, the expansion bracket by leading screw along towards or it is remote The direction activity of base.
Further improvement project of the invention is that the heating coil of the high frequency heating machine away from fixed mount side is heating dish Pipe A, the heating coil A towards workpiece end face obliquely, positioned at the bending place of workpiece when heating coil A heated partses Lower section.
Further improvement project of the invention is, is heating dish close to the heating coil of the high frequency heating machine of fixed mount side Pipe B, the heating coil B towards workpiece end face obliquely, positioned at the curved of workpiece when the heating coil B heated partses Top at folding.
Further improvement project of the invention is that the top of the high frequency heating machine is provided with centralising device, the centering dress It is set to light emitters, the light directive workpiece of the light emitters;The light that the light emitters are sent is straight line, institute Straight line is stated with bending the center line of pressing mold in same perpendicular.
Further improvement project of the invention is, the length of the bending pressing mold and the angle of release length of workpiece or closes angular length degree Matching.
The beneficial effects of the present invention are:
Firstth, extra-high voltage iron tower of the invention big specification angle steel high-frequency heating angle of release conjunction angle all-in-one, by by high frequency Heater and bending mechanism are combined together so that can be bent immediately without turnover after workpiece heat, it is to avoid heat Loss, reduces energy consumption, while eliminating workpiece turnover, improves production efficiency, it also avoid operative employee and turned in workpiece week The hidden danger scalded in journey by workpiece.
Secondth, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by that will heat Coil pipe is arranged to the shape that workpiece bends deformed region, i.e., heated partses play deformed region, are ensureing what workpiece was bent On the premise of effect, the area of workpiece heat is reduced, it is possible to reduce the energy consumption needed for heated partses.
3rd, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by that will heat Coil pipe is arranged to the shape that workpiece bends deformed region, i.e., heated partses play deformed region, it is ensured that not heated area Domain will not be deformed upon during workpiece bending, so that ensure the bending quality of workpiece, and also it is residual to reduce the bending of workpiece Secondary rate.
4th, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, is filled by centering The effect put, can carry out centering by workpiece, so as to ensure that the bending quality of workpiece.
5th, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, and column is top The support column of plate, is also the lead of briquetting, simplifies device structure, improve the utilization rate of column.
6th, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, is put by workpiece The effect of frock is put, the accurate angle of release and He Jiao of workpiece is realized.
7th, extra-high voltage iron tower of the invention closes angle all-in-one, the one of benchmark frame with big specification angle steel high-frequency heating angle of release Side side is domatic B, and opposite side side is domatic C, so as to so that benchmark frame can not only use as angle of release benchmark frame but also can To be used as conjunction angle benchmark frame, the utilization rate of benchmark frame is improved, the production cost of enterprise is reduced.
8th, extra-high voltage iron tower of the invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, passes through frock base Plate is connected with base rotation, consequently facilitating workpiece is carrying out angle of release and closing the switching at angle, reduces the labor intensity of operative employee.
Brief description of the drawings
Fig. 1 is the structure schematic side view of the present invention at the high frequency heating machine front position of side.
Fig. 2 is structure schematic front view of the present invention.
Fig. 3 is the main view enlarged diagram of the workpiece angle of release accommodating tool of embodiment 1.
Fig. 4 is the vertical view enlarged diagram of the workpiece angle of release accommodating tool of embodiment 1.
Fig. 5 closes the main view enlarged diagram of angle accommodating tool for the workpiece of embodiment 1.
Fig. 6 closes the vertical view enlarged diagram of angle accommodating tool for the workpiece of embodiment 1.
Fig. 7 closes the vertical view enlarged diagram of angle accommodating tool for the workpiece angle of release of embodiment 2.
Embodiment
Embodiment 1
With reference to shown in Fig. 1 ~ Fig. 6, the present invention includes base 1, and the top surface of base 1 is provided with frock substrate 15, the frock The top surface of substrate 15 is provided with Workpiece placing tool, and the Workpiece placing tool includes the fixed mount 16 extended in front-rear direction, described The side of fixed mount 16 is provided with angle of release benchmark frame 2 or closes angle benchmark frame 2 ', and the fixed mount 16 is towards angle of release benchmark frame 2 or closes angle One side end face of benchmark frame 2 ' is the domatic A horizontal by 45 degree of inclination angles, and the angle of release benchmark frame 2 is towards the end of fixed mount 16 Face is the domatic B18 horizontal by 45 degree of inclination angles, and the domatic B18 is vertical with domatic A, and the conjunction angle benchmark frame 2 ' is towards admittedly Determine domatic C19, the domatic A and domatic C19 of the end face of frame 16 for the inclination angle with horizontal plane more than 45 degree and less than 90 degree Between angle be obtuse angle, the top or fixed mount 16 between fixed mount 16 and angle of release the benchmark frame 2 with close angle benchmark frame Top between 2 ' is up and down to be connected with briquetting 3, and the bottom surface of the briquetting 3 is fixed with bending pressing mold 6, the bending pressing mold 6 The side of bottom is matched with domatic A, and opposite side is less than 45 degree with the angle of horizontal plane or matched with domatic C19, the briquetting 3 Driving force is provided by hydraulic piston, the hydraulic piston is fixed on top plate 4, and the top plate 4 is fixed by column 9 with base 1; The left and right sides of the base 1 is respectively symmetrically provided with high frequency heating machine 7, what the heating coil of the high frequency heating machine 7 was surrounded Shape is identical with the bending deformed region shape of workpiece 20.
Length direction of the top of the frock substrate 15 along fixed mount 16 is parallel to be fixed with bar shaped bar 17, the angle of release base Quasi- frame 2 closes angle benchmark frame 2 ' in the groove that bar shaped bar 17 and fixed mount 16 are formed.
The angle of release benchmark frame 2 is provided with two, and the distance between two neighboring angle of release benchmark frame 2 is rolled over equal to the angle of release of workpiece 20 Curved width.
The conjunction angle benchmark frame 2 ', when it is one to close angle benchmark frame 2 ', closes the width of angle benchmark frame 2 ' at least provided with one Degree is equal to the width that workpiece 20 closes angle bending;When it is multiple to close angle benchmark frame 2 '(In the present embodiment, it is two to close angle benchmark frame 2 ' It is individual), two neighboring conjunction angle benchmark frame 2 ' is bonded to each other, and the overall width of multiple conjunction angle benchmark framves 2 ' is equal to workpiece 20 and closes angle bending Width.
The angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are same benchmark frame(Benchmark frame is two in the present embodiment), One side end face of the benchmark frame is domatic B18, and the benchmark frame another side end face relative with domatic B18 is domatic C19.
What the heating coil was surrounded is shaped as " Qian " character form structure, the width of the heating coil and opening for workpiece 20 The width of angle bending or conjunction angle bending is equal, and the top of heating coil and the top of workpiece 20 for being placed on Workpiece placing tool are neat Flat, the bottom of heating coil is flushed with being placed on the bottom of workpiece 20 of Workpiece placing tool.
The column 9 is at four drift angles of base 1;The column 9 is fixed through briquetting 3, by top plate 4 with base 1, The column 9 is the lead of briquetting 3.
The hydraulic cylinder 5 of the hydraulic piston is fixed on the top of top plate 4, and the end of hydraulic stem 13 of hydraulic piston is extended downwardly from Hydraulic cylinder 5 is simultaneously fixed through the top of top plate 4 and briquetting 3.
The heating coil of the high frequency heating machine 7 is fixed on the front end of expansion bracket 8, the expansion bracket 8 by leading screw 12 with The underframe 10 of high frequency heating machine 7 is flexibly connected, and the expansion bracket 8 is lived by leading screw 12 along the direction towards or away from base 1 It is dynamic.
The heating coil of high frequency heating machine 7 away from the side of fixed mount 16 is heating coil A11, the heating coil A11 Towards workpiece end face obliquely, when heating coil A11 heated partses 20 positioned at workpiece 20 bending place below.
It is heating coil B11 ', the heating coil close to the heating coil of the high frequency heating machine 7 of the side of fixed mount 16 B11 ' towards workpiece 20 end face obliquely, positioned at the bending place of workpiece 20 when heating coil B11 ' heated partses 20 Top.
The top of the high frequency heating machine 7 is provided with centralising device 14, and the centralising device 14 is light emitters, the light The light directive workpiece of line transmitter;The light that the light emitters are sent is straight line, and the straight line is with bending in pressing mold 6 Heart line is in same perpendicular.
The length of the bending pressing mold 6 is matched with the angle of release length of workpiece 20 or conjunction angular length degree.
When needing to carry out angle of release to workpiece 20, selection bending pressing mold 6 is rule workpiece 20, determines workpiece 20 Angle of release region and angle of release region center line, the domatic B18 of two benchmark framves is placed towards fixed mount 16, workpiece 20 is put Put in the region formed between benchmark frame and fixed mount 16, and ensure that workpiece 20 is fitted with the domatic A of fixed mount 16;Open Centralising device 14, that is, open light emitters, and the light that the light emitters are sent projects the surface of workpiece 20, translates work Part 20 makes the light for projecting workpiece 20 be overlapped with drawn center line;Two benchmark framves are adjusted again so that the opposite face of benchmark frame Flushed with the angle of release regional edge edge of workpiece 20;Then high frequency heating machine 7 is started, leading screw 12 drives heating coil A11 close to workpiece 20 bending side, is then electrified to heating, and heating coil A11 is added by way of heat radiation to the angle of release region of workpiece 20 Heat;After the temperature in the angle of release region of workpiece 20 reaches bending condition, leading screw 12 drives heating coil A11 to retract backward;Liquid Depression bar 13, which drives, bends the angle of release region that pressing mold 6 is pressed downward workpiece 20, and workpiece 20 is located at the two end portions in angle of release region by benchmark Frame and fixed mount 16 are limited, and will not be deformed upon, and the angle of release region of workpiece 20 is not due to being supported, so in bending pressing mold Outwards turned down in the presence of 6, until the angle of release region of workpiece 20 is fitted with the opposite side of bending pressing mold 6 bottom;Bending pressing mold 6 exists Retracted upwards in the presence of hydraulic stem 13, the workpiece 20 after bending is taken out, prepared next workpiece 20 and carry out angle of release.
When need to workpiece 20 carry out conjunction angle when, selection bottom side matched with domatic A, opposite side with it is domatic The bending pressing mold 6 of C19 matchings, workpiece 20 is rule, and determines the center line for closing angular zone and conjunction angular zone of workpiece 20, will The domatic C19 of benchmark frame is placed towards fixed mount 16, and workpiece 20 is placed on to the region formed between benchmark frame and fixed mount 16 It is interior, and ensure that workpiece 20 is fitted with the domatic A of fixed mount 16;Centralising device 14 is opened, that is, opens light emitters, the light The light that line transmitter is sent projects the surface of workpiece 20, and polymer product 20 makes in projecting the light of workpiece 20 and drawing Line is overlapped;Quantity and the position of benchmark frame are adjusted again so that two outermost two sides of benchmark frame for being fitted and connected successively Flushed with the conjunction angular zone edge of workpiece 20;Then high frequency heating machine 7 is started, leading screw 12 drives heating coil B11 ' close to workpiece 20 bending side, is then electrified to heating, and heating coil B11 ' is added by way of heat radiation to the conjunction angular zone of workpiece 20 Heat;After the temperature of the conjunction angular zone of workpiece 20 reaches bending condition, leading screw 12 drives heating coil B11 ' to retract backward;Liquid Depression bar 13 drives bending pressing mold 6 to be pressed downward the conjunction angular zone of workpiece 20, and because workpiece 20 is angle steel, the side of angle steel two is mutually hung down Directly, and the domatic A of fixed mount 16 and horizontal plane angle are 45 degree, and workpiece 20 is fitted with the domatic A of fixed mount 16, so work It is hanging, the junction between the bottom of workpiece 20 and benchmark frame and fixed mount 16 between part 20 and the domatic C19 of benchmark frame Also there is a certain distance;Because the part that workpiece 20 is located at conjunction angular zone is limited by benchmark frame and fixed mount 16, in bending pressing mold 6 In the presence of move down and fold inward, until the conjunctions angular zone of workpiece 20 is fitted with bending the opposite side of the bottom of pressing mold 6;And The conjunction angular zone two side portions of workpiece 20 are due to being not limited, so will not also occur shape in the presence of bending pressing mold 6 Become,;When the conjunction angular zone of workpiece 20 is fitted with the opposite side of bending pressing mold 6 bottom, bending pressing mold 6 is in hydraulic stem 13 Retracted upwards under effect, the workpiece 20 after bending is taken out, prepared next workpiece 20 and carry out angle of release.
Embodiment 2
With reference to shown in Fig. 1, Fig. 2 and Fig. 7, the present invention includes base 1, and the top surface of base 1 is provided with frock substrate 15, described The top surface of frock substrate 15 is provided with Workpiece placing tool, and the Workpiece placing tool includes the fixed mount 16 extended in front-rear direction, The side of the fixed mount 16 is provided with angle of release benchmark frame 2 or closes angle benchmark frame 2 ', the fixed mount 16 towards angle of release benchmark frame 2 or The side end face for closing angle benchmark frame 2 ' is the domatic A horizontal by 45 degree of inclination angles, and the angle of release benchmark frame 2 is towards fixed mount 16 End face be domatic B18 horizontal by 45 degree of inclination angles, the domatic B18 is vertical with domatic A, the face of conjunction angle benchmark frame 2 ' It is the domatic C19 for being more than 45 degree with the inclination angle of horizontal plane and being less than 90 degree to the end face of fixed mount 16, the domatic A and domatic Angle between C19 is obtuse angle, and the top or fixed mount 16 between fixed mount 16 and angle of release the benchmark frame 2 are with closing angle benchmark Top between frame 2 ' is up and down to be connected with briquetting 3, and the bottom surface of the briquetting 3 is fixed with bending pressing mold 6, the bending pressing mold The side of 6 bottoms is matched with domatic A, and opposite side is less than 45 degree with the angle of horizontal plane or matched with domatic C19, the briquetting 3 provide driving force by hydraulic piston, and the hydraulic piston is fixed on top plate 4, and the top plate 4 is consolidated by column 9 and base 1 It is fixed;The left and right sides of the base 1 is respectively symmetrically provided with high frequency heating machine 7, and the heating coil of the high frequency heating machine 7 is surrounded Shape it is identical with the bending deformed region shape of workpiece 20.
The frock substrate 15 horizontally rotates the top surface for being connected to base 1 by vertical shaft, and the vertical shaft is located at fixed mount 16 The underface at center, the angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are respectively arranged on the both sides of fixed mount 16, when frock substrate 15 When turning to the sensing fore-and-aft direction of fixed mount 16, bending pressing mold 6 is located at angle of release benchmark frame 2 and the junction of fixed mount 16 Surface, or the surface positioned at the junction for closing angle benchmark frame 2 ' and fixed mount 16.
Length direction of the top of the frock substrate 15 along fixed mount 16 is parallel to be fixed with bar shaped bar 17, the angle of release base Quasi- frame 2 closes angle benchmark frame 2 ' in the groove that bar shaped bar 17 and fixed mount 16 are formed.
The angle of release benchmark frame 2 is provided with two, and the distance between two neighboring angle of release benchmark frame 2 is rolled over equal to the angle of release of workpiece 20 Curved width.
The conjunction angle benchmark frame 2 ' is at least provided with one, when it is one to close angle benchmark frame 2 '(In the present embodiment, angle base is closed Quasi- frame 2 ' is two), close width of the width equal to the conjunction angle bending of workpiece 20 of angle benchmark frame 2 ';It is multiple when closing angle benchmark frame 2 ' When, two neighboring conjunction angle benchmark frame 2 ' is bonded to each other, and the overall width of multiple conjunction angle benchmark framves 2 ' is equal to workpiece 20 and closes angle bending Width.
The angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are same benchmark frame, and a side end face of the benchmark frame is slope Face B18, the benchmark frame another side end face relative with domatic B18 is domatic C19(In the present embodiment, benchmark frame is 4, wherein 2 Benchmark is set up in the side of fixed mount 16, and benchmark frame domatic B18 towards fixed mount 16,2 benchmark are set up in solid in addition Determine the opposite side of frame 16, and benchmark frame domatic C19 towards fixed mount 16).
What the heating coil was surrounded is shaped as " Qian " character form structure, the width of the heating coil and opening for workpiece 20 The width of angle bending or conjunction angle bending is equal, and the top of heating coil and the top of workpiece 20 for being placed on Workpiece placing tool are neat Flat, the bottom of heating coil is flushed with being placed on the bottom of workpiece 20 of Workpiece placing tool.
The column 9 is at four drift angles of base 1;The column 9 is fixed through briquetting 3, by top plate 4 with base 1, The column 9 is the lead of briquetting 3.
The hydraulic cylinder 5 of the hydraulic piston is fixed on the top of top plate 4, and the end of hydraulic stem 13 of hydraulic piston is extended downwardly from Hydraulic cylinder 5 is simultaneously fixed through the top of top plate 4 and briquetting 3.
The heating coil of the high frequency heating machine 7 is fixed on the front end of expansion bracket 8, the expansion bracket 8 by leading screw 12 with The underframe 10 of high frequency heating machine 7 is flexibly connected, and the expansion bracket 8 is lived by leading screw 12 along the direction towards or away from base 1 It is dynamic.
The heating coil of high frequency heating machine 7 away from the side of fixed mount 16 is heating coil A11, the heating coil A11 Towards workpiece end face obliquely, when heating coil A11 heated partses 20 positioned at workpiece 20 bending place below.
It is heating coil B11 ', the heating coil close to the heating coil of the high frequency heating machine 7 of the side of fixed mount 16 B11 ' towards workpiece 20 end face obliquely, positioned at the bending place of workpiece 20 when heating coil B11 ' heated partses 20 Top.
The top of the high frequency heating machine 7 is provided with centralising device 14, and the centralising device 14 is light emitters, the light The light directive workpiece of line transmitter;The light that the light emitters are sent is straight line, and the straight line is with bending in pressing mold 6 Heart line is in same perpendicular.
The length of the bending pressing mold 6 is matched with the angle of release length of workpiece 20 or conjunction angular length degree.
When needing to carry out angle of release to workpiece 20, the side of selection bottom is matched with domatic A, opposite side and horizontal plane Angle be less than 45 degree of bending pressing mold 6, workpiece 20 is rule, the angle of release region and angle of release region of workpiece 20 is determined Center line, domatic B18 is placed on towards in the region formed between the benchmark frame and fixed mount 16 of fixed mount 16 by workpiece 20, and Ensure that workpiece 20 is fitted with the domatic A of fixed mount 16;Centralising device 14 is opened, that is, opens light emitters, the light transmitting The light that device is sent projects the surface of workpiece 20, and rotary fixture substrate 15 and polymer product 20 make to project workpiece 20 Light is overlapped with drawn center line, and workpiece 20 is located at the underface for bending pressing mold 6;Two benchmark framves are adjusted again so that The opposite face of benchmark frame is flushed with the angle of release regional edge edge of workpiece 20;Then high frequency heating machine 7 is started, leading screw 12 drives heating dish Pipe A11 is then electrified to heating, heating coil A11 opening to workpiece 20 by way of heat radiation close to the bending side of workpiece 20 Angular zone is heated;After the temperature in the angle of release region of workpiece 20 reaches bending condition, leading screw 12 drives heating coil A11 Retract backward;Hydraulic stem 13, which drives, bends the angle of release region that pressing mold 6 is pressed downward workpiece 20, and workpiece 20 is located at the two ends in angle of release region Part limited by benchmark frame and fixed mount 16, will not deform upon, the angle of release region of workpiece 20 due to not being supported, so Outwards turned down in the presence of bending pressing mold 6, until the angle of release region of workpiece 20 is fitted with the opposite side of bending pressing mold 6 bottom; Bending pressing mold 6 is retracted upwards in the presence of hydraulic stem 13, and the workpiece 20 after bending is taken out, and is prepared next workpiece 20 and is carried out Angle of release.
When need to workpiece 20 carry out conjunction angle when, selection bottom side matched with domatic A, opposite side with it is domatic The bending pressing mold 6 of C19 matchings, workpiece 20 is rule, and determines the center line for closing angular zone and conjunction angular zone of workpiece 20, will Workpiece 20 is placed on domatic C19 towards in the region formed between the benchmark frame and fixed mount 16 of fixed mount 16, and ensures work Part 20 is fitted with the domatic A of fixed mount 16;Centralising device 14 is opened, that is, opens light emitters, the light emitters are sent Light project the surface of workpiece 20, rotary fixture substrate 15 and polymer product 20 make to project the light of workpiece 20 with The center line drawn is overlapped, and workpiece 20 is located at the underface for bending pressing mold 6;Quantity and the position of benchmark frame are adjusted again, are made Two outermost two sides of benchmark frame being fitted and connected successively are obtained to flush with the conjunction angular zone edge of workpiece 20;Then start High frequency heating machine 7, leading screw 12 drives heating coil B11 ' close to the bending side of workpiece 20, is then electrified to heating, heating coil B11 ' is heated by way of heat radiation to the conjunction angular zone of workpiece 20;When the temperature of the conjunction angular zone of workpiece 20 reach it is curved After folding bar part, leading screw 12 drives heating coil B11 ' to retract backward;Hydraulic stem 13 drives bending pressing mold 6 to be pressed downward workpiece 20 Angular zone is closed, because workpiece 20 is angle steel, the side of angle steel two is mutually perpendicular to, and the domatic A of fixed mount 16 is with horizontal plane angle 45 degree, and workpiece 20 fits with the domatic A of fixed mount 16, thus be between workpiece 20 and the domatic C19 of benchmark frame it is hanging, Also there is a certain distance junction between the bottom of workpiece 20 and benchmark frame and fixed mount 16;Angular region is closed because workpiece 20 is located at The part in domain is limited by benchmark frame and fixed mount 16, is moved down and fold inward in the presence of bending pressing mold 6, until workpiece 20 conjunction angular zone is fitted with the opposite side of bending pressing mold 6 bottom;And the conjunction angular zone two side portions of workpiece 20 due to not by To limitation, so will not also be deformed upon in the presence of bending pressing mold 6;Conjunction angular zone and bending pressing mold 6 bottom when workpiece 20 When the opposite side laminating in portion, bending pressing mold 6 is retracted upwards in the presence of hydraulic stem 13, and the workpiece 20 after bending is taken Go out, prepare next workpiece 20 and carry out angle of release.

Claims (10)

1. extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterised in that:Including base(1), institute State base(1)Top surface is provided with frock substrate(15), the frock substrate(15)Top surface is provided with Workpiece placing tool, and the workpiece is put Put the fixed mount that frock includes extending in front-rear direction(16), the fixed mount(16)Side be provided with angle of release benchmark frame(2)Or Close angle benchmark frame(2’), the fixed mount(16)Towards angle of release benchmark frame(2)Or close angle benchmark frame(2’)A side end face be with Horizontal plane is in the domatic A at 45 degree of inclination angles, the angle of release benchmark frame(2)Towards fixed mount(16)End face be horizontal by 45 degree The domatic B at inclination angle(18), the domatic B(18)It is vertical with domatic A, the conjunction angle benchmark frame(2’)Towards fixed mount(16)End Domatic C of the face for the inclination angle with horizontal plane more than 45 degree and less than 90 degree(19), the domatic A and domatic C(19)Between Angle is obtuse angle, the fixed mount(16)With angle of release benchmark frame(2)Between top or fixed mount(16)With closing angle benchmark frame (2’)Between top up and down be connected with briquetting(3), the briquetting(3)Bottom surface be fixed with bending pressing mold(6), it is described curved Crimping mould(6)The side of bottom is matched with domatic A, the angle of opposite side and horizontal plane be less than 45 degree or with domatic C(19) Match somebody with somebody, the briquetting(3)Driving force is provided by hydraulic piston, the hydraulic piston is fixed on top plate(4), the top plate(4)It is logical Cross column(9)With base(1)It is fixed;The base(1)The left and right sides respectively symmetrically be provided with high frequency heating machine(7), the height Frequency heater(7)The shape that is surrounded of heating coil and workpiece(20)Bending deformed region shape it is identical.
2. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The frock substrate(15)Horizontally rotated by vertical shaft and be connected to base(1)Top surface, the vertical shaft be located at fixed mount(16) The underface at center, the angle of release benchmark frame(2)With conjunction angle benchmark frame(2’)It is respectively arranged on fixed mount(16)Both sides, work as frock Substrate(15)Turn to fixed mount(16)When pointing to fore-and-aft direction, pressing mold is bent(6)Positioned at angle of release benchmark frame(2)With fixation Frame(16)Junction surface, or positioned at close angle benchmark frame(2’)With fixed mount(16)Junction surface.
3. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The frock substrate(15)Top along fixed mount(16)Length direction parallel be fixed with bar shaped bar(17), the angle of release Benchmark frame(2)Or close angle benchmark frame(2’)Located at bar shaped bar(17)And fixed mount(16)In the groove formed.
4. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The angle of release benchmark frame(2)Provided with two, two neighboring angle of release benchmark frame(2)The distance between be equal to workpiece(20)Angle of release The width of bending.
5. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The conjunction angle benchmark frame(2’)At least provided with one, when conjunction angle benchmark frame(2’)For one when, close angle benchmark frame(2’)Width Degree is equal to workpiece(20)Close the width of angle bending;When conjunction angle benchmark frame(2’)For it is multiple when, two neighboring conjunction angle benchmark frame(2’) It is bonded to each other, multiple conjunction angle benchmark framves(2’)Overall width be equal to workpiece(20)Close the width of angle bending.
6. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The angle of release benchmark frame(2)With conjunction angle benchmark frame(2’)For same benchmark frame, a side end face of the benchmark frame is domatic B(18), benchmark frame and domatic B(18)Relative another side end face is domatic C(19).
7. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:What the heating coil was surrounded is shaped as " Qian " character form structure, the width and workpiece of the heating coil(20)Angle of release The width of bending or conjunction angle bending is equal, the top of heating coil and the workpiece for being placed on Workpiece placing tool(20)Top is neat It is flat, the bottom of heating coil and the workpiece for being placed on Workpiece placing tool(20)Bottom is flushed.
8. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The column(9)Located at base(1)Four drift angles at;The column(9)Through briquetting(3), by top plate(4)With base (1)It is fixed, the column(9)For briquetting(3)Lead.
9. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The high frequency heating machine(7)Heating coil be fixed on expansion bracket(8)Front end, the expansion bracket(8)Pass through leading screw(12) With high frequency heating machine(7)Underframe(10)It is flexibly connected, the expansion bracket(8)Pass through leading screw(12)Along towards or away from base (1)Direction activity.
10. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, its feature exists In:The high frequency heating machine(7)Top be provided with centralising device(14), the centralising device(14)It is described for light emitters The light directive workpiece of light emitters;The light that the light emitters are sent is straight line, the straight line and bending pressing mold(6) Center line in same perpendicular.
CN201610299545.6A 2016-05-09 2016-05-09 Extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release Active CN105798091B (en)

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CN106216514B (en) * 2016-08-03 2018-07-10 吴江市金康电力器材有限公司 A kind of steel tower corner iron hyperbolic processing mold of adjustable-angle
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Denomination of invention: High frequency heating open angle and angle closing machine for large-size angle steel for UHV iron tower

Effective date of registration: 20220509

Granted publication date: 20170825

Pledgee: Zheshang Bank Co.,Ltd. Huai'an branch

Pledgor: JIANGSU FLIGHT ELECTRIC EQUIPMENT MANUFACTURE CO.,LTD.

Registration number: Y2022980005176