CN204771456U - Dolly device is changed to cast heater inner core - Google Patents

Dolly device is changed to cast heater inner core Download PDF

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Publication number
CN204771456U
CN204771456U CN201520381173.2U CN201520381173U CN204771456U CN 204771456 U CN204771456 U CN 204771456U CN 201520381173 U CN201520381173 U CN 201520381173U CN 204771456 U CN204771456 U CN 204771456U
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China
Prior art keywords
inner core
heater inner
carriage device
nested
guide rail
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CN201520381173.2U
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Inventor
陈绍林
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Shanghai Meishan Iron and Steel Co Ltd
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Shanghai Meishan Iron and Steel Co Ltd
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Abstract

The utility model provides a dolly device is changed to cast heater inner core. The utility model discloses an automobile body, elevating system, side telephone -moving construct, horizontal telescopic machanism, characterized by: the frame is rectangular frame structural design, and the automobile body below is provided with universal wheel and push -and -pull handrail, elevating system is nested in the automobile body top to through installing the lift jar realization altitude mixture control in the automobile body middle part, translation mechanism sets up on elevating system upper portion, adopts the hand wheel to drive the turbine worm and realizes the translation function, horizontal telescopic machanism installs and constructs the top in the side telephone -moving, including the guide rail and the receiving slit of the wheeled nested installation of second grade. The utility model provides an after current annealing boiler tube formula electric heater inner core damages unable online in time, quick replacement's technical problem.

Description

Cast heater inner core changes carriage device
technical field:
The utility model relates to a kind of cast heater inner core and changes carriage device, belongs to technical field of metallurgical equipment.
background technology:
As shown in Figure 1, tube-type electric heater is indispensable heater in cold rolling continuous zinc/aluminium/aluminium zinc coating production line Horizental annealer, for profile is for being about 2000mm, the cylinder of diameter 320mm, is made up of the stainless steel shell 2 cast and column type heater inner core 3.To be distributed in annealing furnace hot idler roller section burner hearth 1(burner hearth be terrain clearance on the containment housing structure of about 8 meters) in be used for band steel in heating furnace, band steel mechanical performance and surface quality under the furnace inner environment of uniform temperature and atmosphere are improved, ensure that band steel enters the hot dip of zinc pot with suitable temperature simultaneously, guarantee good quality of coating, it is most important to production line think gauge production.Because cold rolling continuous zinc/aluminium/aluminium zinc coating production technology has particular requirement to annealing furnace burner hearth composition of gases within, the installing hole place air-tightness of electric heater on burner hearth requires high, once occur that electric heater damages (inner core being generally electric heater heating unit damages), electric heater must overall be extracted out from burner hearth, replacing operation needs to open fire door and enters burner hearth operation, thus destroy burner hearth air-tightness and furnace atmosphere, production line need shut down cooling blow-on door, make temperature in burner hearth be down to normal temperature from 800 DEG C to enter with applicable upkeep operation personnel, and recover gas atmosphere in burner hearth after more finishing changing electric heater and still need long period (usually needing 5-8 hour), so Normal practice only changes electric heater inner core separately after electric heater damages.But also there are the following problems to change separately inner core: needing when 1) changing heater inner core to stop production to need annealing furnace temperature just can carry out replacing operation from 800 DEG C of coolings 4 are little after temperature is lower than 100 DEG C, otherwise heater inner core height manually cannot be extracted out and carry, and has a strong impact on production line and normally produces.2) heater setting height(from bottom) is at about 1.7m, and simultaneously whole heater inner core weighs about 60kg, and needing scaffolding to set up inspection platform can operation, on average 1.5 hours consuming time.3) hearth region site examining and repairing narrow space, circumstance complication, usual loop wheel machine and traveling crane gib head cannot arrive and lifting operation, make whole replacing operation need many people to coordinate, and adopt the hand mode of lifting pickaback to complete, security risk is higher, labour intensity is high.
Utility model content
The purpose of this utility model provides a kind of cast heater inner core to change carriage device for above-mentioned Problems existing, mainly solve existing annealing furnace tube electric heater inner core damage after cannot timely, quick-replaceable technical problem online.
Above-mentioned object is achieved through the following technical solutions:
Cast heater inner core changes carriage device, and comprise car body, elevating mechanism, lateral movement mechanism, transversal stretching mechanism, described vehicle frame designs for rectangular frame structure, is provided with universal wheel and push-and-pull handrail below car body; Elevating mechanism is nested in above car body, and realizes highly regulating by the lift cylinders being arranged on car body middle part; Translation mechanism is arranged on elevating mechanism top, adopts handwheel to drive turbine and worm to realize translation functions; Transversal stretching mechanism is arranged on above lateral movement mechanism, comprises guide rail and the receiving slit of the wheeled nested installation of secondary.
Described cast heater inner core changes carriage device, and the framework inside middle of described car body is provided with hand jack, is respectively arranged with microscler locating piece at the lateral surface of its four root post.
Described cast heater inner core changes carriage device, and by its side plate is provided with, 4 groups of double directive wheels are nested to be arranged on above car body described elevating mechanism.
Described cast heater inner core changes carriage device, is provided with lift cylinders, and is connected with the hand jack on car body by oil pipe in described elevating mechanism central frame, and the whole height that can realize elevating mechanism by controlling hand jack regulates.
Described cast heater inner core changes carriage device, and the left and right sides, described elevating mechanism upper surface is respectively arranged with the chute be displaced sideways.
Described cast heater inner core changes carriage device, described lateral movement mechanism is day font flat frame structure, be arranged in the chute of elevating mechanism by both sides end face is nested, described lateral movement mechanism front is provided with screw mandrel and handwheel, can rotary screw thus control lateral movement mechanism horizontal shifting in elevating mechanism chute by adjusting handle.
Described cast heater inner core changes carriage device, and described transversal stretching organization establishes has nested type two-stage guide rail, and further described secondary guide rail is nested in one-level guide rail by the roller that its bilateral symmetry distributes.
Described cast heater inner core changes carriage device, and described receiving slit cross section is designed for camber, is arranged in secondary guide rail by roller symmetrical on its base is nested.On the whole intrados of receiving slit, be also provided with a large amount of pulley further, receiving slit both sides upper port is provided with foreplate and pull bar.Further both sides foreplate is symmetrically arranged with U-shaped draw-in groove, pull bar is placed in U-lag.
Described cast heater inner core changes carriage device, between the receiving slit and secondary guide rail of described transversal stretching mechanism, limit its each traverse range respectively by chain and hangers.
Beneficial effect:
1. the utility model can be placed on by annealing furnace burner hearth, fast the receiving slit in transversal stretching mechanism can be docked with the cast heater collar extension be positioned on body of heater by moving body, elevating mechanism, lateral movement mechanism, make heater inner core Renewal process not need consuming timely to set up the upkeep operation platforms such as scaffold.
2. the utility model adopts cambered surface design at transversal stretching authorities slot cross-section, and the both sides port of receiving slit is provided with foreplate and pull bar, the distribution of receiving slit inner surface is provided with roller simultaneously.Under can be implemented in the hot operating mode that production line is not shut down, burner hearth is not lowered the temperature, heater inner core is extracted out from burner hearth or is pushed by safe and convenient ground, and does not damage heater inner core.
3. transversal stretching organization establishes of the present utility model has nested type two-stage guide rail, can fast and farthest move to applicable traveling crane holding position by adding receiving slit, realize the fast hoisting of heater inner core, improve the lifting efficiency under narrow and small, circumstance complication.
4. the translation mechanism that cast heater inner core of the present utility model changes carriage device is provided with Liang Tao transversal stretching mechanism side by side, a set of can being used for deposits new heater inner core, the heater inner core of damage is extracted and deposited to a set of being used for out, can make whole Renewal process continuous high-efficient more like this.
5. by after this device of use, the replacing operation of heater inner core can have been operated by two people completely, 30 minutes consuming time of average every root.Whole process safety, high efficient and reliable, alleviate the labour intensity of maintainer, saved recruitment cost.
Accompanying drawing explanation
Fig. 1, hot-dip aluminizing zinc production line annealing furnace cast heater structure schematic diagram.
Cast heater inner core described by Fig. 2, this technology changes carriage device floor map
Cast heater inner core described by Fig. 3, this technology changes carriage device assembling schematic diagram.
Body frame structure for automotive schematic diagram described by Fig. 4, this technology.
Elevating mechanism structural representation described by Fig. 5, this technology.
Lateral movement mechanism structural representation described by Fig. 6, this technology.
Transversal stretching mechanism structure schematic diagram described by Fig. 7, this technology.
Cast heater inner core described by Fig. 8, this technology changes carriage device application schematic diagram.
In figure: 1 burner hearth, 2 heater housings, 3 heater inner cores, 4 heater line banks, 5 car bodies, 6 elevating mechanisms, 7 lateral movement mechanisms, 8 transversal stretching mechanisms, 9 new product tube-type electric heater inner cores, 10 tube-type electric heater inner cores to be replaced, 5-1 base, 5-2 universal wheel, 5-3 handrail, 5-4 hand jack, 5-5 locating piece, 6-1 hoistable platform, 6-2 lift cylinders, 6-3 directive wheel, 6-4 chute, 7-1 displaceable frame, 7-2 screw mandrel, 7-3 handwheel, 8-1 one-level guide rail, 8-2 secondary guide rail, 8-3 receiving slit, 8-4 hangers, 8-5 roller, 8-6 chain, 8-7 pulley, 8-8 foreplate, 8-9 pull bar.
Detailed description of the invention
With reference to shown in Fig. 2-7, a kind of cast heater inner core changes carriage device, comprises car body 5, elevating mechanism 6, lateral movement mechanism 7, transversal stretching mechanism 8 form.The rectangular frame structure that car body 5 is welded for square steel, its base 5-1 bottom is provided with 4 universal wheel 5-2, its front is provided with push-and-pull handrail 5-3, is provided with hand jack 5-4 therebetween in framework, is respectively arranged with locating piece 5-5 in the outside of its four root post.Elevating mechanism 6 is the middle frame structure being provided with lift cylinders 6-2, by its side plate is provided with, 4 groups of directive wheel 6-3 are nested to be arranged on above car body 2, lift cylinders 6-2 is connected with the hand jack 5-4 on car body 2 by oil pipe, and the whole height realizing elevating mechanism 6 by controlling hand jack 5-4 regulates.Lateral movement mechanism 7 is slab construction, and its dual-side is nested to be arranged in the chute 6-4 of elevating mechanism 6, drives screw mandrel 7-2 to realize the translation of lateral movement mechanism 7 by rotating handwheel 7-2; Liang Tao transversal stretching mechanism 8 is welded on above displaceable frame 7-1 by its one-level guide rail 8-1 side by side, and the roller 8-5 that secondary guide rail 8-2 is distributed by its both sides is nested in one-level guide rail.Receiving slit 8-3 cross section is camber, is arranged in secondary guide rail, cambered surface is also distributed with pulley 8-7 inside receiving slit 8-3 to facilitate the movement of heater inner core by the roller on its base is nested.In receiving slit 8-3 both sides, upper port is provided with foreplate 8-8 and pull bar 8-9, and both sides foreplate 8-9 is symmetrically distributed with U-lag, and pull bar 8-9 is placed in U-lag.Between one-level guide rail 8-1 and secondary guide rail 8-5, and limit its moving range separately respectively by chain 8-6 and hangers 8-4 between receiving slit 8-3 and secondary guide rail 8-5.
With reference to shown in Fig. 6, this device is used to carry out tube-type electric heater inner core 3 Renewal process.
Embodiment 1, new product inner core lifts: 1) by promoting handrail 5-3, this device is moved to burner hearth other 1 comparatively depletion region; 2) transversal stretching mechanism 8 is risen to suitable height (needing the passage guardrail making transversal stretching mechanism 8 position higher than burner hearth side) by adjustment hand jack 5-4; 3) the position limitation chain 8-6 between side receiving slit 8-3, one-level guide rail 8-2, secondary guide rail 8-2 is adjusted; 4) by promoting its pull bar 8-9, corresponding receiving slit 8-3 is moved to distalmost end to the direction away from burner hearth 1; 5) new product tube-type electric heater inner core 9 is lifted in the cell body of the receiving slit 8-3 shifted out by commander's driving; 6) bolt hole pull bar 8-9 being passed the line bank 4 of new product tube-type electric heater inner core 9 is fixed in the U-shaped draw-in groove of foreplate 8-8; 7) promote its pull bar 8-9 and the receiving slit 8-3 of new product tube-type electric heater inner core 9 will be housed from crossing out state reset; 8) good position restriction chain 8-6 is reinstalled.
Embodiment 2, heater inner core to be replaced is extracted out.1) the installing hole accessory position that this device is moved to burner hearth 1 heater inner core 6 to be replaced by handrail 5-3 is promoted; 2) by adjustment hand jack 5-4 and handwheel 7-3 by the receiving slit 8-3 of free time with heater inner core 10 place to be replaced horizontal level; 3) the position limitation chain 8-6 between idle receiving slit 8-3, one-level guide rail 8-2, secondary guide rail 8-2 is adjusted; 4) by promoting pull bar 8-9, the port of idle receiving slit 8-3 is close to heater inner core 10 to be replaced; 5) pull bar 8-9 passed the bolt hole of the line bank 4 of heater inner core 10 to be replaced and be fixed in the U-shaped draw-in groove of foreplate 8-8; 7) heater inner core 10 to be replaced is lifted 10mm by inching hand jack 5-4; 8) promote pull bar 8-9 to the direction away from burner hearth 1 and hold up heater inner core 10 to be replaced by receiving slit 8-3 and extracted out 1/3 of inner core total length; 9) inching hand jack 5-4 makes receiving slit be separated with heater inner core 10 to be replaced; 10) its port is close to heater mounting hole by pull bar 8-9 mobile reception groove 8-3; 11) heater inner core 10 to be replaced is lifted 10mm by inching hand jack 5-4; 12) promote pull bar 8-9 to the direction away from burner hearth 1 and hold up heater inner core 10 to be replaced by receiving slit 8-3 and extracted out 1/3 of inner core total length; 13) 9-12 is repeated until heater inner core 10 to be replaced is extracted out completely and is placed in receiving slit 8-3.
Embodiment 3, new product changes heater inner core and inserts.1) adjust hand jack 5-4 and handwheel 7-3 and the receiving slit one end being placed with new product tube-type electric heater inner core 9 is moved on to burner hearth upper heater installing hole concentric position; 2); Adjust the position limitation chain 8-6 between idle receiving slit 8-3, one-level guide rail 8-2, secondary guide rail 8-2; 3) stretch out receiving slit 8-3 by pull bar 8-9 to burner hearth direction and its port be close to the heater mounting hole of burner hearth; 4) extract out receive groove 8-3 upper fix new product tube-type electric heater inner core 9 by pull bar 8-9; 5) pushed to installing hole direction on burner hearth by new product tube-type electric heater inner core 9 by hand, heater inner core quick insertion under the effect of receiving groove 8-3 inwall pulley 8-7 puts in place; 6) pull bar 8-9 is promoted by receiving slit 8-3 from crossing out state reset; 8) good position restriction chain 8-6 is reinstalled.

Claims (10)

1. cast heater inner core changes a carriage device, comprises car body, elevating mechanism, lateral movement mechanism, transversal stretching mechanism, it is characterized in that: described car body designs for rectangular frame structure, be provided with universal wheel and push-and-pull handrail below car body; Elevating mechanism is nested in above car body, and realizes highly regulating by the lift cylinders being arranged on car body middle part; Translation mechanism is arranged on elevating mechanism top, adopts handwheel to drive turbine and worm to realize translation functions; Transversal stretching mechanism is arranged on above lateral movement mechanism, comprises guide rail and the receiving slit of the wheeled nested installation of secondary.
2. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: the framework inside middle of described car body is provided with hand jack, is respectively arranged with microscler locating piece at the lateral surface of its four root post.
3. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: by its side plate is provided with, 4 groups of double directive wheels are nested to be arranged on above car body described elevating mechanism.
4. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: be provided with lift cylinders in described elevating mechanism central frame, and connected with the hand jack on car body by oil pipe.
5. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: the left and right sides, described elevating mechanism upper surface is respectively arranged with the chute be displaced sideways.
6. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: described lateral movement mechanism is day font flat frame structure, be arranged in the chute of elevating mechanism by both sides end face is nested, described lateral movement mechanism front is provided with screw mandrel and handwheel.
7. cast heater inner core according to claim 1 changes carriage device, and it is characterized in that: described transversal stretching organization establishes has nested type two-stage guide rail, further described secondary guide rail is nested in one-level guide rail by the roller that its bilateral symmetry distributes.
8. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: the cross section of described receiving slit is designed for camber, is arranged in secondary guide rail by roller symmetrical on its base is nested.
9. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: the whole intrados of described receiving slit is also provided with one group of pulley, receiving slit both sides upper port is provided with foreplate and pull bar, described foreplate is symmetrically arranged with U-shaped draw-in groove, pull bar is placed in U-lag.
10. cast heater inner core according to claim 1 changes carriage device, it is characterized in that: between the receiving slit and secondary guide rail of described transversal stretching mechanism respectively by chain and hangers to limit its each traverse range.
CN201520381173.2U 2015-06-04 2015-06-04 Dolly device is changed to cast heater inner core Active CN204771456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520381173.2U CN204771456U (en) 2015-06-04 2015-06-04 Dolly device is changed to cast heater inner core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520381173.2U CN204771456U (en) 2015-06-04 2015-06-04 Dolly device is changed to cast heater inner core

Publications (1)

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CN204771456U true CN204771456U (en) 2015-11-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108392141A (en) * 2018-01-31 2018-08-14 杨秋霞 A kind of sanitary ware cleaning device
CN110028237A (en) * 2018-01-12 2019-07-19 巨石集团有限公司 A kind of bushing replacement power assisting device
CN110497184A (en) * 2018-05-17 2019-11-26 中冶宝钢技术服务有限公司 The replacement tooling and replacing options of planisher rolling line adjusting device
CN111689428A (en) * 2020-06-28 2020-09-22 江苏核电有限公司 Trolley for online replacement of cooling fan of dry-type transformer and replacement method
CN111843444A (en) * 2020-06-10 2020-10-30 上海宝钢阿赛洛激光拼焊有限公司 Translation replacing device for blanking line roller box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110028237A (en) * 2018-01-12 2019-07-19 巨石集团有限公司 A kind of bushing replacement power assisting device
CN108392141A (en) * 2018-01-31 2018-08-14 杨秋霞 A kind of sanitary ware cleaning device
CN108392141B (en) * 2018-01-31 2020-11-17 嘉兴昱天工业设计有限公司 Sanitary ware cleaning device
CN110497184A (en) * 2018-05-17 2019-11-26 中冶宝钢技术服务有限公司 The replacement tooling and replacing options of planisher rolling line adjusting device
CN111843444A (en) * 2020-06-10 2020-10-30 上海宝钢阿赛洛激光拼焊有限公司 Translation replacing device for blanking line roller box
CN111689428A (en) * 2020-06-28 2020-09-22 江苏核电有限公司 Trolley for online replacement of cooling fan of dry-type transformer and replacement method

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