CN205764604U - A kind of level instrumentation nozzle assembly welding positioner - Google Patents

A kind of level instrumentation nozzle assembly welding positioner Download PDF

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Publication number
CN205764604U
CN205764604U CN201620497635.1U CN201620497635U CN205764604U CN 205764604 U CN205764604 U CN 205764604U CN 201620497635 U CN201620497635 U CN 201620497635U CN 205764604 U CN205764604 U CN 205764604U
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China
Prior art keywords
girder
cover plate
instrumentation nozzle
level instrumentation
positioning cover
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CN201620497635.1U
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Chinese (zh)
Inventor
孟巍
赵娟
孙楷桢
徐建梅
赵亚超
刘晶晶
姚在山
安旭
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Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Harbin Electric Group Qinhuangdao Heavy Equipment Co Ltd
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Abstract

The utility model discloses a kind of level instrumentation nozzle assembly welding positioner, described device includes girder (1) and two positioning cover plates (2) being positioned on girder (1) same side, two ends, and connector (3), described girder (1) is fixedly connected with positioning cover plate (2), and positioning cover plate (2) is attached by connector (3) with level instrumentation nozzle (5).The device utilizing this utility model to provide can reach pressure vessels for the chemical industry level instrumentation nozzle assembly welding, heat treatment process anti-deformation, and the requirements such as the perpendicularity of level instrumentation nozzle installation, spacing dimension is effectively ensured.This apparatus structure is simple, easy for installation, can be by adjusting girder length, positioning cover plate, the dimensions of connector, it is achieved the level instrumentation nozzle of different size specification and the size Control of connection member thereof.

Description

A kind of level instrumentation nozzle assembly welding positioner
Technical field
This utility model relates to mechanical processing and positioning field, is specifically related to a kind of liquidometer Adapter assembly welding positioner.
Background technology
Liquidometer is that pressure vessel commonly uses mouth of pipe setting, is used for measuring pressure vessel tested The amount of storage of medium, to ensure in producing links required material without interruption or to enter Row business accounting, and detect liquid level the most within the limits prescribed, in order to make production Process is normally carried out, it is ensured that the quality of product, yield and production safety.Due to it not Negligible importance, the liquidometer mouth of pipe is generally arranged in pairs, and requires a pair liquid level Meter adapter should ensure that its flange sealing surface in same vertical guide, perpendicularity franchise must not It is more than 0.5/100 flange outer diameter, strict by the spacing of two level instrumentation nozzle center vertical lines, Tolerance+1.5mm.Due in welding process and heat treatment, thermal stress and other factors Uncontrollability, be easily deformed in level instrumentation nozzle assembly welding and heat treatment process, Traditional practice is fixed point, line perforate, determine two flange spacing, check spacing after Interior external welding, but make two adapter spacing occur one due to deformation in welding process Fixed skew and two flange sealing surfaces are not at same plumb line.If do not taked the measure of necessity, Level instrumentation nozzle verticality of flange and the extremely difficult control of spacing dimension tolerance, therefore, how Control the deformation of level instrumentation nozzle assembly welding, position, ensure that perpendicularity becomes with spacing dimension A difficult problem for level instrumentation nozzle assembly welding.
Utility model content
In order to solve the problems referred to above, present inventor has performed and study with keen determination, it is provided that one Plant level instrumentation nozzle assembly welding positioner, by pressure vessel level instrumentation nozzle is connected Carry out precise positioning during parts assembly welding and anti-deformation controls, efficiently solve liquidometer and connect Tube-connecting part perpendicularity and spacing dimension tolerance problem the most rambunctious, thus complete This utility model.
The purpose of this utility model be provide following aspect:
(1) a kind of level instrumentation nozzle assembly welding positioner, wherein, described device includes Girder 1 and two positioning cover plates 2 being positioned on same side, girder 1 two ends, and connect Part 3,
Described girder 1 is fixedly connected with described positioning cover plate 2, described fixing connection Mode includes being welded and fixed, be adhesively fixed or connector is fixed,
Described positioning cover plate 2 is attached by connector 3 with level instrumentation nozzle 5, liquid level With connection member in meter adapter 5.
(2) according to the device described in above-mentioned (1), wherein, described girder 1 is with described Positioning cover plate 2 is fixedly connected by welding,
Described girder 1 is higher than with the planarity requirements of the contact surface of described positioning cover plate 2 0.5mm/m,
Described girder 1 linearity requires higher than 0.5mm/m,
On described level instrumentation nozzle 5 with connection member be flange.
(3) according to the device described in above-mentioned (1), wherein, described connector 3 is spiral shell Stricture of vagina connector, including bolt or screw,
The girder 1 being fixedly connected with positioning cover plate 2 is placed on mounting plate, is positioned at girder 1 The positioning cover plate 2 of the same side is placed vertically upward, and connector 3 is by level instrumentation nozzle 5 On connection member, positioning cover plate 2 is fixedly connected with level instrumentation nozzle 5.
(4) according to the device described in above-mentioned (3), wherein, described connector 3 can be worn Cross girder 1 to be connected with the connection member of positioning cover plate 2 with level instrumentation nozzle 5, or fixed The principal section of position cover plate 2 is more than in the case of girder 1 width, and connector 3 is by girder 1 Through hole on coverage rate outside fix cover plate 2 is connected with the connection member of level instrumentation nozzle 5.
(5) according to the device described in above-mentioned (1), wherein, two positioning cover plates 2 In same vertical guide, the perpendicularity of positioning cover plate 2 is corresponding to the company of level instrumentation nozzle 5 The perpendicularity of relay part.
(6) according to the device described in above-mentioned (1), wherein, described connector 3 is with fixed The connection member of position cover plate 2 and level instrumentation nozzle 5 is longitudinally perpendicular to intersect, each connector 3 Parallel longitudinal.
(7) according to the device described in above-mentioned (1), wherein, two positioning cover plates 2 Being fixed on girder 1 same side, the centreline spacing of two positioning cover plates 2 is equal to two The centreline spacing of individual level instrumentation nozzle group installation site.
(8) according to the device described in above-mentioned (1), wherein, auxiliary welding gusset is even Connect level instrumentation nozzle 5 and shell 4.
(9) according to the device described in above-mentioned (8), wherein, described auxiliary welding muscle Plate is symmetrically installed on shell 4.
The level instrumentation nozzle assembly welding positioner of this utility model offer and user thereof Method, has the advantage that
1, in this utility model, assembly welding positioning device structure is simple, reliable, it is simple to operation;
2, positioning cover plate, girder connect into entirety with level instrumentation nozzle, can be to liquidometer Adapter perpendicularity, connection member (such as flange) sealing surface perpendicularity position by force and Fixing;
3, girder needs to cut into Len req, and repeatable utilization according to actual manufacture, Positioning cover plate can use the packaging cover plate of product, greatly reduces production cost;
4, in this utility model, assembly welding positioner uses with level instrumentation nozzle connecting portion The mode that connector (bolt) connects, mounts and dismounts the most convenient and reliable;
5, assembly welding positioner highly versatile in this utility model, it is adaptable to multiple liquid level The installation location of meter.
Accompanying drawing explanation
Fig. 1 is level instrumentation nozzle assembly welding positioner in a kind of preferred implementation Structural representation;
Fig. 2 is level instrumentation nozzle assembly welding positioner in a kind of preferred implementation Top view.
Drawing reference numeral illustrates:
1-girder;
2-positioning cover plate;
3-connector;
4-shell;
5-level instrumentation nozzle.
Detailed description of the invention
It is described in detail below by this utility model, feature of the present utility model To become more apparent from, clearly along with these explanations with advantage.
The most special word " exemplary " means " as example, embodiment or say Bright property ".The here as any embodiment illustrated by " exemplary " should not necessarily be construed as excellent In or be better than other embodiments.Although the various aspects of embodiment shown in the drawings, But unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
The purpose of this utility model is open a kind of level instrumentation nozzle assembly welding positioner, Described device includes girder 1 and two locating covers being positioned on same side, girder 1 two ends Plate 2, described girder 1 is fixedly connected with positioning cover plate 2.
In this utility model, described assembly welding positioner also includes connector 3, for even Connecing positioning cover plate 2 and level instrumentation nozzle 5, described connector 3 is preferably threaded connector, Including bolt or screw, the most also include plain washer.Threaded connector is used to carry out even Connecing, reduce connector and taken up space, and be connected firmly, connector is unlikely to deform, Meanwhile, level instrumentation nozzle 5 and the installation of its assembly welding positioner and dismounting are facilitated.
In this utility model, described girder 1 is made up of rigid material, has certain holding Beijing South Maxpower Technology Co. Ltd's power, and stress is the most flexible, preferably high strength type Steel material, more preferably Intensity steel main beam.Girder is preferably made strip, can connect liquidometer connect meeting On the premise of pipe 5 requires, decrease material usage, reduce girder weight, it is simple to peace Dress is fixing.
In this utility model, described positioning cover plate 2 can be by Steel material, macromolecule resin Or other rigid material is prepared from, preferably just material.Two positioning cover plates 2 used For identical cover plate, shape can be circular, oval, square, rectangle or rhombus etc., Specifically not limiting, circular, the most described positioning cover plate 2 selects liquidometer to connect The packaging cover plate of pipe 5, saves production cost.Positioning cover plate 2 groove and level instrumentation nozzle 5 Connecting portion profile is corresponding, for level instrumentation nozzle 5 is fixed on girder 1.
In this utility model, positioning cover plate 2 ensures level instrumentation nozzle group by girder 1 Anti-deformation, level instrumentation nozzle connection member sealing surface perpendicularity and the spacing dimension of weldering, Thus girder 1 surface strict guarantee has preferable flatness, linearity, it is better than liquidometer Installation requirement.Generally, the flatness of the contact surface of girder 1 and positioning cover plate 2 Require that, higher than 0.5mm/m, preferably above 0.3mm/m, girder 1 linearity requires to be higher than 0.5mm/m。
In this utility model, girder 1 is fixed connected mode with positioning cover plate 2 and is included welding Fixing, be adhesively fixed or connector is fixed, preferred weld is fixed, to ensure locating cover Plate firmness on girder.Two positioning cover plates 2 are fixed on girder 1 same side On two ends, the girder terminal position that the most each positioning cover plate 2 is close with it is equal, with It is beneficial to welding process and heat treatment process middle girder both sides stress balance.It is being fixed on master Time on beam 1, it is equal that two positioning cover plate 2 mounting means and connector 3 install relative direction Unanimously.
In this utility model, level instrumentation nozzle 5 is attached with positioning cover plate 2, liquid level With connection member in meter adapter 5, preferably flange.(preferably screw thread is even for connector 3 Fitting) it is arranged in the through hole on positioning cover plate 2, and pass through with level instrumentation nozzle 5 flange Bolt thread connects, and is fixed by nut, preferably uses plain washer at fastening.
In a preferred embodiment, as it is shown in figure 1,1 is girder, 2 is locating cover Plate, 3 is connector, and 4 is shell, and 5 is level instrumentation nozzle, and liquidometer passes through group Weldering positioner is symmetrically installed on shell 4.During installation, it is fixed to be fixedly connected with The girder 1 of position cover plate 2 is placed on mounting plate, is positioned at the positioning cover plate of girder 1 the same side 2 place vertically upward, and connector 3, will be fixed by the connection member on level instrumentation nozzle 5 Position cover plate 2 is fixedly connected with level instrumentation nozzle 5, it is preferable that described connector 3 May pass through girder 1 to be connected with the connection member of positioning cover plate 2 with level instrumentation nozzle 5.Another In the case of Zhong, in the case of the principal section of positioning cover plate 2 is more than girder 1 width, even Fitting 3 is by the through hole on girder 1 coverage rate outside fix cover plate 2 and level instrumentation nozzle 5 Connection member is connected, as shown in Figure 2.When being fixed, if connector be bolt (or Screw), bolt (or screw) can enter above girder 1 or positioning cover plate 2 from top to bottom Row connects, and now bolt (or screw) can with the through hole on girder 1 or positioning cover plate 2 For matched in clearance, nut is fixed below level instrumentation nozzle 5 connection member;Also may be used To be attached from bottom to top below level instrumentation nozzle 5 connection member, nut is up It is fixed.
In this utility model, two positioning cover plates 2 in same vertical guide, preferred orientation The perpendicularity of cover plate 2 is corresponding to the perpendicularity of the connection member of level instrumentation nozzle 5.Location The perpendicularity of cover plate 2 meets the perpendicularity requirement of product level instrumentation nozzle 5 connection member.
In this utility model, described connector 3 and positioning cover plate 2 and level instrumentation nozzle 5 Connection member longitudinally perpendicular intersect, each connector 3 is parallel longitudinal.Connected by control The perpendicularity of part 3, the perpendicularity further ensuring level instrumentation nozzle 5 connection member can Perpendicularity corresponding to positioning cover plate 2.
In this utility model, auxiliary welding link of boards level instrumentation nozzle 5 and shell 4.Described auxiliary welding gusset is symmetrically installed on shell 4.
The level instrumentation nozzle assembly welding positioner that this utility model provides can be according to the following steps Operate:
1) two positioning cover plates 2 position on girder 1 is determined, by solid for positioning cover plate 2 On girder 1, treat to assemble with level instrumentation nozzle 5 connection member;
2) positioning cover plate 2 and level instrumentation nozzle 5 connection member are assembled by connector 3, Realizing connecting, be such as screwed connection;
3) adjusting girder 1 position makes two level instrumentation nozzles 5 overall in place, treats and container cartridge Body 4 welding equipment;
4) welding level instrumentation nozzle 5 and shell 4;
5), after treating container heat treatment, level instrumentation nozzle assembly welding positioner is removed.
Wherein, step 1) in positioning cover plate 2 be fixed on girder 1 same side, two Positioning cover plate 2 centreline spacing is equal to the centreline space of level instrumentation nozzle group installation site Away from.The fixed form of positioning cover plate 2 and girder 1 includes being welded and fixed, be adhesively fixed and Connector is fixed, and preferred weld is fixed.
Step 2) in, connector 3 supporting surface uses packing ring.
Step 3) in, after adjusting girder 1 position, it is fixed, it is ensured that girder 1 is in weldering Invariant position in termination process.
In a preferred embodiment, step 4) in, can be by auxiliary welding muscle After plate connects level instrumentation nozzle 5 and shell 4, preferably auxiliary welding gusset is at container It is symmetrically installed on cylinder 4, then carries out welding of level instrumentation nozzle 5 and shell 4, carry The high welding stability of level instrumentation nozzle.
In a preferred embodiment, as shown in positioner in Fig. 1 and Fig. 2, Can operate according to the following steps:
1) on mounting plate, determine positioning cover plate 2 position, be welded and fixed positioning cover plate 2 with intensity steel main beam, treat and level instrumentation nozzle 5 flange assembling, wherein, locating cover Plate 2 guarantees the anti-deformation of level instrumentation nozzle assembly welding, two-by-two flange by intensity steel main beam Sealing surface perpendicularity, spacing dimension;
2) by hex bolts assembling positioning cover plate 2 and level instrumentation nozzle 5 flange, six Corner bolt is by the through hole on intensity steel main beam coverage rate outside fix cover plate, from top to bottom Being connected with level instrumentation nozzle 5 flange, hex bolts is gap with the hole on positioning cover plate 2 Coordinate, fix at the enterprising line position of flange by being furnished with the hex nut of plain washer;
3) adjusting intensity steel main beam position makes two level instrumentation nozzles 5 overall in place, makes Level instrumentation nozzle 5 is directed at position to be welded, treats and pressure container cylinder welding equipment;
4) auxiliary welding link of boards level instrumentation nozzle and pressure container cylinder, weld appropriate liquid Position meter adapter 5 and cylinder;
5), after treating level instrumentation nozzle assembly welding and pressure vessel heat treatment, liquid is removed Position meter adapter assembly welding positioner, due to the pressure correcting of assembly welding positioner, Ensure that the perpendicularity that level instrumentation nozzle 5 is installed.
Above in association with detailed description of the invention and exemplary example, this utility model is carried out Describe in detail, but these explanations can not be interpreted as restriction of the present utility model. It will be appreciated by those skilled in the art that in the situation without departing from this utility model spirit and scope Under, technical solutions of the utility model and embodiment thereof can be carried out multiple equivalence and replace Changing, modify or improve, these each fall within the range of this utility model.This practicality is new The protection domain of type is as the criterion with claims.

Claims (9)

1. a level instrumentation nozzle assembly welding positioner, it is characterised in that described device Including girder (1) and two locating covers being positioned on girder (1) same side, two ends Plate (2), and connector (3),
Described girder (1) is fixedly connected with described positioning cover plate (2), described Fixing connected mode includes being welded and fixed, be adhesively fixed or connector is fixed,
Described positioning cover plate (2) is entered by connector (3) with level instrumentation nozzle (5) Row connects, with connection member on level instrumentation nozzle (5).
Device the most according to claim 1, it is characterised in that
Described girder (1) is fixedly connected by welding with described positioning cover plate (2),
The flatness of the contact surface of described girder (1) and described positioning cover plate (2) is wanted Ask higher than 0.5mm/m,
Described girder (1) linearity requires higher than 0.5mm/m,
On described level instrumentation nozzle (5) with connection member be flange.
Device the most according to claim 1, it is characterised in that described connector (3) it is threaded connector, including bolt or screw,
The girder (1) being fixedly connected with positioning cover plate (2) is placed on mounting plate, The positioning cover plate (2) being positioned at girder (1) the same side is placed vertically upward, connector (3) by the connection member on level instrumentation nozzle (5), by positioning cover plate (2) with Level instrumentation nozzle (5) is fixedly connected.
Device the most according to claim 3, it is characterised in that described connector (3) may pass through girder (1) and positioning cover plate (2) and level instrumentation nozzle (5) Connection member is connected, or at the principal section of positioning cover plate (2) more than girder (1) In the case of width, connector (3) passes through girder (1) coverage rate outside fix cover plate (2) through hole on is connected with the connection member of level instrumentation nozzle (5).
Device the most according to claim 1, it is characterised in that two locating covers Plate (2) is in same vertical guide, and the perpendicularity of positioning cover plate (2) corresponds to liquid level The perpendicularity of the connection member of meter adapter (5).
Device the most according to claim 1, it is characterised in that described connector (3) longitudinally perpendicular with the connection member of positioning cover plate (2) and level instrumentation nozzle (5) Intersecting, each connector (3) is parallel longitudinal.
Device the most according to claim 1, it is characterised in that two locating covers Plate (2) is fixed on girder (1) same side, in two positioning cover plates (2) Heart distance between centers of tracks is equal to the centreline spacing of two level instrumentation nozzle group installation sites.
Device the most according to claim 1, it is characterised in that auxiliary welding muscle Plate connects level instrumentation nozzle (5) and shell (4).
Device the most according to claim 8, it is characterised in that described auxiliary is welded Connect gusset to be symmetrically installed on shell (4).
CN201620497635.1U 2016-05-27 2016-05-27 A kind of level instrumentation nozzle assembly welding positioner Active CN205764604U (en)

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Application Number Priority Date Filing Date Title
CN201620497635.1U CN205764604U (en) 2016-05-27 2016-05-27 A kind of level instrumentation nozzle assembly welding positioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620497635.1U CN205764604U (en) 2016-05-27 2016-05-27 A kind of level instrumentation nozzle assembly welding positioner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944875A (en) * 2021-10-25 2022-01-18 上海东鼎钢结构有限公司 LNG ship gas dome safety valve pipe accessory positioning tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944875A (en) * 2021-10-25 2022-01-18 上海东鼎钢结构有限公司 LNG ship gas dome safety valve pipe accessory positioning tool

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