CN103433663A - Half-variable-radius circular arc framework-type preheating device - Google Patents
Half-variable-radius circular arc framework-type preheating device Download PDFInfo
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- CN103433663A CN103433663A CN2013104250891A CN201310425089A CN103433663A CN 103433663 A CN103433663 A CN 103433663A CN 2013104250891 A CN2013104250891 A CN 2013104250891A CN 201310425089 A CN201310425089 A CN 201310425089A CN 103433663 A CN103433663 A CN 103433663A
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Abstract
The invention relates to a half-variable-radius circular arc framework-type preheating device. The half-variable-radius circular arc framework-type preheating device comprises preheating device tracks and roller frame tracks which are respectively arranged in parallel; the preheating device tracks are provided with an equilibrium bogie; the lower part of the equilibrium bogie is in contact with the preheating device tracks through installing equilibrium bogie walking wheels; the equilibrium bogie is provided with a preheating device installation frame; the upper part of the preheating device installation frame is provided with a preheating device; the preheating device consists of a heating device and a variable diameter device; the variable diameter device consists of at least two columns of variable diameter plates; each column of variable diameter plates are composed of a plurality of arc plates; adjacent arc plates are connected movably through pin shafts; two adjacent variable diameter plates are connected through connecting rods, and the connecting rods between two columns of variable diameter plates are uniformly provided with heating devices; the roller frame tracks are provided with walking roller frames; the walking roller frames consist of rotary mechanisms and conveying mechanisms; the rotary mechanisms are arranged in conveying supports of the conveying mechanisms. The half-variable-radius circular arc framework-type preheating device provided by the invention can be suitable for the weld preheating working procedure of cylinder bodies with different pipe diameters and different wall thicknesses, and also has the advantages of being wide in heating range, low in use cost, accurate in temperature control, capable of automatically correcting preheating temperature, convenient and safe to operate, and the like.
Description
Technical field
The present invention relates to a kind of welding preheating device, a kind of change radius arc frame-type preheating device, belong to the equipment manufacturing technology field specifically.
Background technology
The pipe fitting weld preheating is effective means and the approach that improves welding performance and welding quality.Weld preheating can reduce the cooling velocity of welding point, is conducive to protium diffusion in weld metal and overflows, and can avoid remaining hydrogen element in weld metal to cause weld crack.Can reduce the heat affected area temperature difference, improve stress state, reduce cooling velocity, reduce the degree of hardening, prevent weld crack.In prior art, need to equip different pre-heating devices for the different tube diameters preheating, and current pipe fitting welding pre-heating device also exists that heated perimeter is little, inefficiency, can't precisely control the shortcoming of preheat temperature, these obvious defects can't guarantee the welding quality of pipe fitting.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of change radius arc frame-type preheating device is provided, can reduce heat affected area metal cooling velocity, avoid occurring hardened structure, can also better solutions never with diameter cylindrical shell spreading, weld front Preheating simultaneously.
In order to solve above technical problem, the invention provides a kind of change radius arc frame-type preheating device, comprise the preheating device track and the turning rolls track that are arranged in parallel, described preheating device track is provided with walking carriage, described walking carriage bottom contacts with described preheating device track by erecting bed garage travelling wheel, be provided with the preheating device installing rack on described walking carriage, preheating device is equipped with on the top of described preheating device installing rack, described preheating device is comprised of heater and diameter changing device, described diameter changing device is comprised of at least two row variable diameter plates, every row variable diameter plate is connected and composed by the polylith arc, between adjacent arc, by bearing pin, be flexibly connected, between adjacent two row variable diameter plates, by connecting rod, connect, and described heater evenly is installed on the connecting rod between the described variable diameter plate of two row, described turning rolls track is provided with the walking roller frame, and described walking roller frame is comprised of slew gear and conveying mechanism, and described slew gear is arranged in the transfer gantry of described conveying mechanism.
The technical scheme that the present invention further limits is: aforesaid change radius arc frame-type preheating device, described slew gear is mainly by servomotor, rotary disk, base, driven wheel, swiveling gear and gyroaxis form, the gyroaxis that two root architectures are identical is installed on described base, many described rotary disks of at right angle setting on described gyroaxis, the same end of two described gyroaxises all is equipped with described swiveling gear, described servomotor is arranged on the gyroaxis end with swiveling gear one side, the swiveling gear engagement of described driven wheel and two described gyroaxises is housed on described servomotor output shaft.
Aforesaid change radius arc frame-type preheating device, described conveying mechanism mainly is comprised of transfer gantry, V-type roller, sprocket wheel, conveying axis, guide post, guide holder, connecting screw rod, servomotor and hydraulic cylinder, many conveying axis are arranged in parallel on described transfer gantry, the middle part of described conveying axis is provided with described V-type roller, the same side end of described conveying axis is all installed sprocket wheel, and described sprocket wheel is connected with the servomotor that is arranged on described transfer gantry one end by chain; The spaced many group guide holders in both sides, described transfer gantry bottom, be provided with described guide post in described guide holder, described guide post lower end is flexibly connected described connecting screw rod, described connecting screw rod is connected to form through bearing pin by first connecting rod and second connecting rod, be provided with active connecting base under described guide post, described active connecting base is connected with the bottom of described connecting screw rod through bearing pin, and first connecting rod and the second connecting rod junction of both sides, described transfer gantry bottom connecting screw rod all interconnect by girt; The first connecting rod of two connecting screw rods of described transfer gantry bottom one end is connected by cross-tie with the second connecting rod junction, at described cross-tie connecting fluid compressing cylinder, by the reciprocating of described hydraulic jack, realizes described connecting screw rod lifting.
Aforesaid change radius arc frame-type preheating device, also be provided with electrical control cabinet on described walking carriage, described electrical control cashier's office in a shop be provided with temperature display meter with described preheating device, the gauge tap that is connected with the walking roller frame of elevation mechanism.
Further, aforesaid change radius arc frame-type preheating device, described heater is resistive heater.
The invention has the beneficial effects as follows: the present invention is applicable to the cylindrical shell weld preheating operation of different tube diameters, different wall, and have that heated perimeter is wide, use cost is low, temperature is controlled precisely, automatic straightening preheat temperature, the advantage such as easy and safe to operate.This nested structure dwindles the floor space of whole equipment greatly, by improving the jacking system of conveying mechanism, effectively prevents that cylindrical shell equipment in the preheating insulation process is stuck simultaneously, increases work efficiency.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is slew gear structural representation of the present invention.
Fig. 3 is conveying mechanism structural representation of the present invention.
The specific embodiment
embodiment 1
A kind of change radius arc frame-type preheating device that the present embodiment provides, structure as shown in Figure 1, comprise the preheating device track 1 and the turning rolls track 9 that are arranged in parallel, the preheating device track is provided with walking carriage 3, walking carriage 3 bottoms contact with preheating device track 1 by erecting bed garage travelling wheel 2, walking carriage 3 is provided with electrical control cabinet, electrical control cashier's office in a shop be provided with temperature display meter with described preheating device, the gauge tap that is connected with the walking roller frame of elevation mechanism; Be provided with preheating device installing rack 5 on walking carriage 3, preheating device 6 is equipped with on the top of preheating device installing rack, preheating device is comprised of heater and diameter changing device, diameter changing device is comprised of at least two row variable diameter plates, every row variable diameter plate is connected and composed by the polylith arc, be flexibly connected by bearing pin between adjacent arc, connect by connecting rod between adjacent two row variable diameter plates, and on the connecting rod between two row variable diameter plates, heater evenly is installed; Turning rolls track 9 is provided with walking roller frame 8, and the walking roller frame is comprised of slew gear and conveying mechanism, and slew gear is arranged in the transfer gantry of conveying mechanism, and cylindrical shell 7 to be heated is placed on walking roller frame 8 just can be realized turning round with traversing.
The slew gear of the present embodiment as shown in Figure 2, mainly by servomotor 1-1, rotary disk 1-3, base 1-4, driven wheel 1-7, swiveling gear 1-2 and gyroaxis 1-5, formed, the gyroaxis that two root architectures are identical is installed on base, many rotary disks of at right angle setting on gyroaxis, the same end of two one rotating shafts all is equipped with swiveling gear, servomotor is arranged on the gyroaxis end with swiveling gear one side, and the swiveling gear engagement of driven wheel and two one rotating shafts is housed on the servomotor output shaft.Major function is cylindrical shell to be cut to be done rotate in a circumferential direction, and to cutting complete cylindrical shell as support, in order to transferring to the blanking roller-way, main action is that turning motor drives driven wheel, driven wheel drives gyroaxis, and gyroaxis drives rotary disk, and rotary disk drive workpiece is done and rotated in a circumferential direction.
Conveying mechanism as shown in Figure 3, mainly by transfer gantry 2-1, V-type roller 2-8, sprocket wheel 2-6, conveying axis 2-7, guide post 2-3, guide holder 2-2, connecting screw rod, servomotor 2-5 and hydraulic cylinder 2-4, formed, many conveying axis are arranged in parallel on transfer gantry, the middle part of conveying axis is provided with the V-type roller, the same side end of conveying axis is all installed sprocket wheel, and sprocket wheel is connected with the servomotor that is arranged on transfer gantry one end by chain; The spaced many group guide holders in both sides, transfer gantry bottom, be provided with guide post in guide holder, the guide post lower end is flexibly connected connecting screw rod, connecting screw rod is connected to form through bearing pin by first connecting rod 2-9 and second connecting rod 2-10, be provided with active connecting base 2-13 under guide post, active connecting base is connected with the bottom of connecting screw rod through bearing pin, and first connecting rod and the second connecting rod junction of both sides, transfer gantry bottom connecting screw rod all interconnect by girt 2-11; The first connecting rod of two connecting screw rods of transfer gantry bottom one end is connected by cross-tie 2-12 with the second connecting rod junction, at cross-tie connecting fluid compressing cylinder, by the reciprocating of hydraulic jack, realizes the connecting screw rod lifting.The conveying mechanism major function is the feeding of connecting material of material loading cylindrical shell and blanking cylindrical shell.Main action drives connecting screw rod for hydraulic cylinder, connecting screw rod promotes guide post, guide post drives the lifting of transfer gantry, thereby realize that the workpiece on the V-type roller raises or reduce, now start servomotor, by the driven by motor sprocket wheel, sprocket wheel drives the V-type roller, make the rotation of V-type roller, and then realize making the function of V-type roller conveying workpieces.
Under the walking carriage of the present embodiment, erecting bed garage travelling wheel is walked on the preheating device track, so that different position while welding on the corresponding cylindrical shell of preheating device.Can regulate the distance of different-diameter cylindrical shell and preheating device by the walking roller frame with elevation mechanism.Electrical control cabinet is responsible for showing and controlling the temperature of the thermal treatment zone, makes the thermal treatment zone obtain best welded condition.Switch board is also controlled each mechanism action of complete machine.Preheating device adopts the segmentation circular-arc design dexterously, and preheating caliber wide ranges, from Φ 200mm-Φ 800mm.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (5)
1. become radius arc frame-type preheating device, it is characterized in that: comprise the preheating device track and the turning rolls track that are arranged in parallel, described preheating device track is provided with walking carriage, described walking carriage bottom contacts with described preheating device track by erecting bed garage travelling wheel, be provided with the preheating device installing rack on described walking carriage, preheating device is equipped with on the top of described preheating device installing rack, described preheating device is comprised of heater and diameter changing device, described diameter changing device is comprised of at least two row variable diameter plates, every row variable diameter plate is connected and composed by the polylith arc, between adjacent arc, by bearing pin, be flexibly connected, between adjacent two row variable diameter plates, by connecting rod, connect, and described heater evenly is installed on the connecting rod between the described variable diameter plate of two row, described turning rolls track is provided with the walking roller frame, and described walking roller frame is comprised of slew gear and conveying mechanism, and described slew gear is arranged in the transfer gantry of described conveying mechanism.
2. change radius arc frame-type preheating device according to claim 1, it is characterized in that: described slew gear is mainly by servomotor, rotary disk, base, driven wheel, swiveling gear and gyroaxis form, the gyroaxis that two root architectures are identical is installed on described base, many described rotary disks of at right angle setting on described gyroaxis, the same end of two described gyroaxises all is equipped with described swiveling gear, described servomotor is arranged on the gyroaxis end with swiveling gear one side, the swiveling gear engagement of described driven wheel and two described gyroaxises is housed on described servomotor output shaft.
3. change radius arc frame-type preheating device according to claim 1, it is characterized in that: described conveying mechanism mainly is comprised of transfer gantry, V-type roller, sprocket wheel, conveying axis, guide post, guide holder, connecting screw rod, servomotor and hydraulic cylinder, many conveying axis are arranged in parallel on described transfer gantry, the middle part of described conveying axis is provided with described V-type roller, the same side end of described conveying axis is all installed sprocket wheel, and described sprocket wheel is connected with the servomotor that is arranged on described transfer gantry one end by chain; The spaced many group guide holders in both sides, described transfer gantry bottom, be provided with described guide post in described guide holder, described guide post lower end is flexibly connected described connecting screw rod, described connecting screw rod is connected to form through bearing pin by first connecting rod and second connecting rod, be provided with active connecting base under described guide post, described active connecting base is connected with the bottom of described connecting screw rod through bearing pin, and first connecting rod and the second connecting rod junction of both sides, described transfer gantry bottom connecting screw rod all interconnect by girt; The first connecting rod of two connecting screw rods of described transfer gantry bottom one end is connected by cross-tie with the second connecting rod junction, at described cross-tie connecting fluid compressing cylinder, by the reciprocating of described hydraulic jack, realizes described connecting screw rod lifting.
4. change radius arc frame-type preheating device according to claim 1, it is characterized in that: also be provided with electrical control cabinet on described walking carriage, described electrical control cashier's office in a shop be provided with temperature display meter with described preheating device, the gauge tap that is connected with the walking roller frame of elevation mechanism.
5. change radius arc frame-type preheating device according to claim 1, it is characterized in that: described heater is resistive heater.
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| CN201310425089.1A CN103433663B (en) | 2013-09-17 | 2013-09-17 | Become radius arc frame-type preheating device |
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| CN201310425089.1A CN103433663B (en) | 2013-09-17 | 2013-09-17 | Become radius arc frame-type preheating device |
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| CN103433663B CN103433663B (en) | 2015-08-26 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191050A (en) * | 2014-08-19 | 2014-12-10 | 上海江奥数控机床有限公司 | Auxiliary machine device of pipe thread machine tool |
| CN104476030A (en) * | 2014-11-20 | 2015-04-01 | 宁波华业钢结构有限公司 | Preheating device for gate-type welding |
| CN105887681A (en) * | 2014-12-17 | 2016-08-24 | 中铁山桥集团有限公司 | Bridge u-rib preheating robot |
| CN106334888A (en) * | 2016-11-03 | 2017-01-18 | 南京奥特电气股份有限公司 | Multi-pipe diameter movable lifting type pipeline welding preheating device |
| CN106425184A (en) * | 2016-11-09 | 2017-02-22 | 江苏金鑫电器有限公司 | Automatic welding device for aluminum alloy longitudinal joints |
| CN107824897A (en) * | 2017-11-15 | 2018-03-23 | 上海振华重工(集团)股份有限公司 | Circumferential weld clean-up machining device |
| CN111491747A (en) * | 2017-10-31 | 2020-08-04 | 圣三一海湾设备控股有限公司 | System and method for heating and toroiding coilable tubing |
| CN112247381A (en) * | 2020-08-21 | 2021-01-22 | 长春理工大学 | Guiding preheating and stress-relieving dynamic shape correcting device for thin-wall cylinder laser welding longitudinal joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455569U (en) * | 2009-07-27 | 2010-05-12 | 中国第二冶金建设有限责任公司 | Annular pipe opening heater |
| CN101890598A (en) * | 2010-03-15 | 2010-11-24 | 东莞东运机械制造有限公司 | Automatic heating and welding machine for gravure pipe blank |
| CN201988862U (en) * | 2011-02-18 | 2011-09-28 | 格菱动力设备(中国)有限公司 | Preheating device for circular seam |
| CN202317482U (en) * | 2011-11-25 | 2012-07-11 | 神华集团有限责任公司 | Pre-heating device |
| CN102728973A (en) * | 2012-06-19 | 2012-10-17 | 无锡市优耐特石化装备有限公司 | Welding preheating device |
| CN202984950U (en) * | 2012-12-28 | 2013-06-12 | 大连金州重型机器有限公司 | Barrel ring seam preheating device |
| CN203162946U (en) * | 2013-03-14 | 2013-08-28 | 中国有色（沈阳）冶金机械有限公司 | Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine |
| CN203509391U (en) * | 2013-09-17 | 2014-04-02 | 南京奥特电气股份有限公司 | Variable-radius arc frame type preheating device |
-
2013
- 2013-09-17 CN CN201310425089.1A patent/CN103433663B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201455569U (en) * | 2009-07-27 | 2010-05-12 | 中国第二冶金建设有限责任公司 | Annular pipe opening heater |
| CN101890598A (en) * | 2010-03-15 | 2010-11-24 | 东莞东运机械制造有限公司 | Automatic heating and welding machine for gravure pipe blank |
| CN201988862U (en) * | 2011-02-18 | 2011-09-28 | 格菱动力设备(中国)有限公司 | Preheating device for circular seam |
| CN202317482U (en) * | 2011-11-25 | 2012-07-11 | 神华集团有限责任公司 | Pre-heating device |
| CN102728973A (en) * | 2012-06-19 | 2012-10-17 | 无锡市优耐特石化装备有限公司 | Welding preheating device |
| CN202984950U (en) * | 2012-12-28 | 2013-06-12 | 大连金州重型机器有限公司 | Barrel ring seam preheating device |
| CN203162946U (en) * | 2013-03-14 | 2013-08-28 | 中国有色（沈阳）冶金机械有限公司 | Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine |
| CN203509391U (en) * | 2013-09-17 | 2014-04-02 | 南京奥特电气股份有限公司 | Variable-radius arc frame type preheating device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191050A (en) * | 2014-08-19 | 2014-12-10 | 上海江奥数控机床有限公司 | Auxiliary machine device of pipe thread machine tool |
| CN104191050B (en) * | 2014-08-19 | 2019-02-26 | 上海江奥数控机床有限公司 | A kind of pipe screw thread machining tool auxiliary machinery device |
| CN104476030A (en) * | 2014-11-20 | 2015-04-01 | 宁波华业钢结构有限公司 | Preheating device for gate-type welding |
| CN104476030B (en) * | 2014-11-20 | 2016-05-18 | 宁波华业钢结构有限公司 | Gate-type weldering preheating device |
| CN105887681A (en) * | 2014-12-17 | 2016-08-24 | 中铁山桥集团有限公司 | Bridge u-rib preheating robot |
| CN106334888A (en) * | 2016-11-03 | 2017-01-18 | 南京奥特电气股份有限公司 | Multi-pipe diameter movable lifting type pipeline welding preheating device |
| CN106425184A (en) * | 2016-11-09 | 2017-02-22 | 江苏金鑫电器有限公司 | Automatic welding device for aluminum alloy longitudinal joints |
| CN111491747A (en) * | 2017-10-31 | 2020-08-04 | 圣三一海湾设备控股有限公司 | System and method for heating and toroiding coilable tubing |
| CN107824897A (en) * | 2017-11-15 | 2018-03-23 | 上海振华重工(集团)股份有限公司 | Circumferential weld clean-up machining device |
| CN107824897B (en) * | 2017-11-15 | 2019-07-05 | 上海振华重工(集团)股份有限公司 | Circumferential weld clean-up machining device |
| CN112247381A (en) * | 2020-08-21 | 2021-01-22 | 长春理工大学 | Guiding preheating and stress-relieving dynamic shape correcting device for thin-wall cylinder laser welding longitudinal joint |
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