CN205914566U - Novel general cold sizing device - Google Patents

Novel general cold sizing device Download PDF

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Publication number
CN205914566U
CN205914566U CN201620990645.9U CN201620990645U CN205914566U CN 205914566 U CN205914566 U CN 205914566U CN 201620990645 U CN201620990645 U CN 201620990645U CN 205914566 U CN205914566 U CN 205914566U
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China
Prior art keywords
hydraulic cylinder
check valve
cold sizing
valve
big
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Active
Application number
CN201620990645.9U
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Chinese (zh)
Inventor
李世魁
周强
蔡延斌
韩秀兰
王强
孙靖云
孙守华
董占仁
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Harbin Boiler Co Ltd
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Harbin Boiler Co Ltd
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Priority to CN201620990645.9U priority Critical patent/CN205914566U/en
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Publication of CN205914566U publication Critical patent/CN205914566U/en
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Abstract

The utility model discloses a novel general cold sizing device, comprises a frame, two spouts of the baffle lower extreme of frame welding, the equal sliding connection in inside of two spouts have a slider, be equipped with a curved device between the slider, the lower extreme of the curved device in top is equipped with the transition clamp plate, the threaded pole of upper end welding of transition clamp plate, the both sides supporting leg lower extreme of frame all has the U template through the round pin hub connection. This novel general cold sizing device's manufacturing and designing can be used for the cold sizing of various materials, the small -bore pipe straight section of specification and elbow, to the pipe screen assembly who assembles into the screen, can carry out the cold sizing to the pipe and the elbow of tube panel each position, effectual improvement product surface quality, and this cold correcting unit simple structure, convenient to use, but one -man operation and not limited by the place have improved production efficiency, low cost, low in manufacturing cost, and the commonality of this structure is strong.

Description

A kind of novel universal cold sizing device
Technical field
This utility model is related to Utility Boiler Technology field, specially a kind of novel universal cold sizing device.
Background technology
This utility model is related to a kind of manufacturing and designing of small-bore pipe cold sizing device being applied to all materials, specification, There is substantial amounts of bend pipe, elbow quantity is many and space structure is complicated, especially heating surface tube screen assembly, bent pipe ruler in boiler component Very little control is difficult.The mode that correction can only be taken for pipe of problems makes it qualified, and thermal recalibration can affect product table , even there is hidden danger of quality for rustless steel pipe in face quality.
In order to ensure the assembling quality of tube panel, effective control product design size, improve product surface quality.This practicality is new Type provides a kind of new brand-new bearing calibration, this kind of method can not only effective control product design size, improve tube panel dress Aglycon amount, and be conducive to the lifting of product surface quality.
Utility model content
The purpose of this utility model is to provide a kind of novel universal cold sizing device, to solve to carry in above-mentioned background technology The problem going out.
For achieving the above object, this utility model provides a kind of following technical scheme: novel universal cold sizing device, including Framework, two chutes are welded in the baffle plate lower end of described framework, and the inside of two chutes all slidably connects slide block, described slide block it Between be provided with bending device, the lower end of described bending device is provided with transition press plate, and the upper end of described transition press plate is welded with threaded rod, The supported on both sides lower limb lower end of described framework is all connected with u-shaped plate by bearing pin.
Preferably, described bending device include big piston, big hydraulic cylinder, the first check valve, stop valve, oil cylinder, second Check valve, small cylinder, valve piston and lever, weld big hydraulic cylinder, the inner upper end socket of big hydraulic cylinder between two slide blocks There is big piston, the centre position of big hydraulic cylinder connects stop valve and the first check valve by pipeline respectively, and stop valve passes through pipeline Connect oil cylinder, the first check valve connects small cylinder by pipeline, the lower end of small cylinder connects the second check valve by pipeline, Second check valve connects oil cylinder by pipeline, and the inner upper end of small cylinder is socketed with valve piston, and the upper end of valve piston is fixing even Connect lever.
Preferably, the lower end of described big hydraulic cylinder is welded with thread groove, the threaded threaded rod of thread groove.
Compared with prior art, the beneficial effects of the utility model are: the manufacturing and designing of this novel universal cold sizing device, Can be used in the cold sizing of various materials, specification small bore tube straight section and elbow, for the tube panel assembly being assembled into screen, Cold sizing can be carried out to the pipe of each position of tube panel and elbow, effectively improve product surface quality, this cold sizing device Structure is simple, easy to use, can one man operation and not limited by place, improve production efficiency, with low cost, manufacturing cost Low;Can be used for equal caliber and the cold sizing of different tube panel pipe, highly versatile, bending device is using similar Split type hydraulic thousand The structure on jin top, by lever drives valve piston, air pressure is sent in big hydraulic cylinder, the big piston of jack-up so that big hydraulic cylinder with Pipe is corrected by slide block slide downward in chute by pressure.
Brief description
Fig. 1 is the face component tube panel figure that is heated of the present utility model;
Fig. 2 is agent structure schematic diagram of the present utility model;
Fig. 3 is bending device schematic diagram of the present utility model.
In figure: 1 big piston, 2 frameworks, 3 u-shaped plates, 4 threaded rods, 5 first check valves, 6 big hydraulic cylinders, 7 chutes, 8 slide blocks, 9 stop valves, 10 oil cylinders, 11 threaded rods, 12 transition press plate, 13 levers, 14 valve pistons, 15 small cylinders, 16 second check valves, 17 bending devices.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, this utility model provides a kind of a kind of technical scheme: novel universal cold sizing device, including frame Frame 2, two chutes 7 are welded in the baffle plate lower end of framework 2, and chute 7 plays the position of a fixing bending device 17, and allow bending to fill Put 17 up and down in chute 7, carry out the work of bending, the inside of two chutes 7 all slidably connects slide block 8, slide block 8 To the effect of fixing big hydraulic cylinder 6, between slide block 8, it is provided with bending device 17, the drawing of the thrust of bending device 17 and u-shaped plate 3 Power makes tube bend divide to deform upon, and bending device 17 includes big piston 1, big hydraulic cylinder 6, the first check valve 5, stop valve 9th, oil cylinder 10, the second check valve 16, small cylinder 15, valve piston 14 and lever 13, weld big hydraulic cylinder 6 between two slide blocks 8, For bending work, the inner upper end of big hydraulic cylinder 6 is socketed with big piston 1, and big piston 1 can be transported in big hydraulic cylinder 6 up and down Dynamic, the centre position of big hydraulic cylinder 6 connects stop valve 9 and the first check valve 5 by pipeline respectively, and stop valve 9 can discharge interior Portion's pressure, pressure can be sent in big hydraulic cylinder 6 from the pressure of small cylinder 15 by the first check valve 5, and stop valve 9 passes through pipeline Connect oil cylinder 10, the hydraulic oil in oil cylinder 10 is main ingredient in hydraulic process, there is the effect of compressed air, first Check valve 5 connects small cylinder 15 by pipeline, and the lower end of small cylinder 15 connects the second check valve 16 by pipeline, by oil cylinder Hydraulic oil in 10 sucks to the position of small cylinder 15, is compressed air, the second check valve 16 connects oil cylinder by pipeline 10, the inner upper end of small cylinder 15 is socketed with valve piston 14 so that the air in small cylinder 15 can be sent into big hydraulic cylinder 6 The big piston of interior and jack-up 1, the upper end of valve piston 14 is fixedly connected lever 13, controls the up and down motion of valve piston 14, bending device 17 lower end is provided with transition press plate 12, and for top pressure fixed bending tube, the upper end of transition press plate 12 is welded with threaded rod 4, big hydraulic pressure The lower end of cylinder 6 is welded with thread groove 11, the threaded threaded rod 4 of thread groove 11, threaded structure, and easy disassembly is permissible Change at any time, the supported on both sides lower limb lower end of framework 2 is all connected with u-shaped plate 3 by bearing pin, play a fixing effect of stretching.
This utility model is in the specific implementation: when needing to correct pipe, the suitable mistake of the choice of diameter of pipe to be corrected Cross briquetting 12 and u-shaped plate 3, transition press plate 12 is fixed on thread groove 11 by threaded rod 4 is threaded, is entangled with u-shaped plate 3 Pipe to be corrected, it is ensured that region to be corrected is located at two blocks of u-shaped plates 3 central authorities, adjusts transition briquetting 12 position, reserves enough schools The positive space, framework 2 is assembled with u-shaped plate 3, and is connected u-shaped plate 3 with framework 2 with bearing pin, is adjusted cold according to pipe deformation direction The force direction of correcting unit, after the completion of adjustment, the lever 13 of pressing bending device 17, lever 3 controls on valve piston 14 carries out Lower motion, air is sent into big piston 1 jack-up in big hydraulic cylinder 6 by the first check valve 5, and then big piston 1 withstands frame 2, drive the slide block 8 being welded on big hydraulic cylinder 6 side to be slided up and down in chute 7, complete bending work, when lever 13 carries When rising, air pressure passes through the second check valve 16, drives the hydraulic oil in oil cylinder 10 to be compressed air, completes bending work, coordinates u The pulling force of template 3 makes tube bend divide to deform upon, until pipe reaches Eligibility requirements, dismantles cold sizing device, under correction A pipe.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of novel universal cold sizing device, including framework (2) it is characterised in that: the welding of the baffle plate lower end of described framework (2) There are two chutes (7), the inside of two chutes (7) all slidably connects slide block (8), between described slide block (8), be provided with bending dress Put (17), the lower end of described bending device (17) is provided with transition press plate (12), and the upper end of described transition press plate (12) is welded with spiral shell Rasp bar (4), the supported on both sides lower limb lower end of described framework (2) is all connected with u-shaped plate (3) by bearing pin.
2. a kind of novel universal cold sizing device according to claim 1 it is characterised in that: described bending device (17) bag Include big piston (1), big hydraulic cylinder (6), the first check valve (5), stop valve (9), oil cylinder (10), the second check valve (16), little Hydraulic cylinder (15), valve piston (14) and lever (13), weld big hydraulic cylinder (6) between two slide blocks (8), big hydraulic cylinder (6) Inner upper end is socketed with big piston (1), and the centre position of big hydraulic cylinder (6) connects stop valve (9) and first by pipeline respectively Check valve (5), stop valve (9) connects oil cylinder (10) by pipeline, and the first check valve (5) connects small cylinder by pipeline (15), the lower end of small cylinder (15) connects the second check valve (16) by pipeline, and the second check valve (16) is connected by pipeline Oil cylinder (10), the inner upper end of small cylinder (15) is socketed with valve piston (14), and the upper end of valve piston (14) is fixedly connected lever (13).
3. a kind of novel universal cold sizing device according to claim 2 it is characterised in that: described big hydraulic cylinder (6) Lower end is welded with thread groove (11), the threaded threaded rod of thread groove (11) (4).
CN201620990645.9U 2016-08-29 2016-08-29 Novel general cold sizing device Active CN205914566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620990645.9U CN205914566U (en) 2016-08-29 2016-08-29 Novel general cold sizing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620990645.9U CN205914566U (en) 2016-08-29 2016-08-29 Novel general cold sizing device

Publications (1)

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CN205914566U true CN205914566U (en) 2017-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655209A (en) * 2018-05-31 2018-10-16 哈尔滨锅炉厂有限责任公司 A kind of cold calibration device of Novel portable elbow and its application method
CN109570276A (en) * 2019-01-16 2019-04-05 中国长江电力股份有限公司 Upper Bracket of Hydro Generating Set distortion correction frame and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655209A (en) * 2018-05-31 2018-10-16 哈尔滨锅炉厂有限责任公司 A kind of cold calibration device of Novel portable elbow and its application method
CN109570276A (en) * 2019-01-16 2019-04-05 中国长江电力股份有限公司 Upper Bracket of Hydro Generating Set distortion correction frame and application method

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