CN202716176U

CN202716176U - Welding piece coaxial tool

Info

Publication number: CN202716176U
Application number: CN 201220347151
Authority: CN
Inventors: 范锡生; 范湘生; 胡智君; 贺龙明; 张学稳; 汪鹏程; 卓义; 佘天培; 李发斌
Original assignee: Anhui Tongguan Machinery Co Ltd
Current assignee: Anhui Tongguan Machinery Co Ltd
Priority date: 2012-07-17
Filing date: 2012-07-17
Publication date: 2013-02-06
Anticipated expiration: 2022-07-17

Abstract

The utility model belongs to the field of welding piece tools, in particular to a welding piece coaxial tool which comprises a long shaft and a shaft sleeve which is sleeved on the long shaft and used for matching with an inner hole of a piece to be detected or processed, wherein the long shaft and/or the shaft sleeve is provided with limit parts, and clamping limit fits are formed between the two limit parts, or the limit part on the shaft sleeve and the long shaft or the limit part on the long shaft and the shaft sleeve. According to the welding piece coaxial tool, a position relation between the long shaft and the shaft sleeve can be positioned by relying on the limit parts to guarantee the long shaft and the shaft sleeve to be in a matching state all the time; the limit parts can have a step fit and also a taper hole fit, and the limit fit between the two limit part is taken as the criterion; and when a perforating operation of a welding piece is executed before detecting or processing by detecting or processing personnel, due to the positioning action of the limit parts, the long shaft or the shaft sleeve can be kept in a synchronous motion state all the time without repeatedly carrying out resetting and strengthening operations, so that the whole process is quick and convenience, and the positioning and producing efficiency are extremely high.

Description

A kind of weldment axiality frock

Technical field

The utility model belongs to weldment frock field, is specifically related to a kind of weldment axiality frock.

Background technology

Welding work pieces for large-scale welding work pieces or large span hole, when coaxial accuracy is had relatively high expectations, usually because there not being suitable machine tooling, or coaxial accuracy can't guarantee after the processing, or its coaxiality aligning detects frock and the reason such as can't dismantle, and causes its processing difficulties, and not only the processing and fabricating cost is higher, the postwelding detection difficulty is also large, and its product qualified rate is also lower simultaneously.

For above-mentioned situation, (patent No.: utility application ZL200720032412.9) has been announced following content to " large span hole axiality detects the instrument of using " by name of Baoji Petroleum Machinery Co., Ltd.'s application: comprise a tubulose major axis, the sheathed ring-type tooling sleeve that cooperates with its outer wall on the major axis.It relies on the major axis with tooling sleeve to pass two holes to be detected in use, rely on the mated condition in tooling sleeve and each hole to judge whether the axiality in these two holes to be measured satisfies actual needs, thereby the welding work pieces axiality that has effectively satisfied for large-scale welding work pieces or large span hole detect demand.

Yet, still there is following defective in said structure: at first, shown in its text, the tooling sleeve profile must be coincide and be treated the aperture of gaging hole, to guarantee that it can remedy both difference in size when treating the gaging hole aperture greater than major diameter, like this, when reality is used, the testing staff must be equipped with the relevant tool cover for the endoporus to be measured in each type aperture, itself the management and deployment cost just high, and the requirement for the inwall machining accuracy that cooperates with major axis of its tooling sleeve is higher, produces deployment cost thereby further increased it, simultaneously, during use, in case the tooling sleeve of correlation type just need to be looked for specially to satisfy itself and the matching relationship for the treatment of gaging hole in the replacing aperture, uses extremely inconvenient; Secondly, said structure is for pursuing the quality of fit between major axis outer wall and tooling sleeve inwall, the face fit structure that both are set to be close to, cause it in perforation procedure or cause producing both relative sliding phenomenons because of too smooth between major axis and tooling sleeve, thereby can't realize its interlock perforation action, or because causing greatly tooling sleeve to be driven to haul out by major axis, friction between the two treats that gaging hole, testing staff have to frequently to its righting operation that resets, inefficiency; At last, said structure also only can act on the postwelding detection field, also be as the postwelding detection part and use, itself and and treat that matching relationship between gaging hole mostly is loosening and need not too high quality of fit requirement, in other words, namely itself and treat to be in all the time between gaging hole and deposit gapped mated condition, when it is applied to weld prelocalization and centering, under the huge effect of stress of the generations such as welding deformation, the disadvantage of its loosely organized and poor stability is just more aobvious outstanding, thereby brings very big puzzlement for the processing personnel.

The utility model content

The purpose of this utility model provides a kind of weldment axiality frock simple in structure and easy to use, its high efficiency.

For achieving the above object, the utility model has adopted following technical scheme: a kind of weldment axiality frock, comprise major axis and be sheathed on the axle sleeve that being used on the major axis cooperates with an endoporus to be measured or to be processed, be provided with limiting section on described major axis and/or the axle sleeve, between described two limiting sections or between the limiting section on the axle sleeve and major axis or the limiting section on the major axis consist of with shaft room that clamping is spacing to be cooperated.

Major advantage of the present utility model is: adopt after the said mechanism, rely on the position relationship between limiting section location major axis and the axle sleeve, guarantee that both are in mated condition all the time; Its limiting section can be that step cooperates, and also can be that taper hole cooperates, and is as the criterion can realize spacing cooperation between the two; When detect or the processing personnel before test or processing during its perforation procedure of execution, because the positioning action of limiting section can guarantee all the time that major axis and shaft room are in the synchronization action state, need not repeatedly to its righting operation that resets, whole process is efficient and convenient, and location and production efficiency are high.

Description of drawings

Fig. 1 is assembly structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of major axis;

Fig. 3 is the cannula portion structural representation;

Fig. 4 and Fig. 5 are the structural representation of both implementations of axle sleeve;

Fig. 6 is the radial section cutaway view of axle sleeve.

The specific embodiment

A kind of weldment axiality frock, comprise major axis 10 and be sheathed on the axle sleeve 20 that being used on the major axis 10 cooperates with an endoporus to be measured or to be processed, be provided with limiting section on described major axis 10 and/or the axle sleeve 20, between described two limiting sections or the limiting section on the limiting section on the

axle sleeve

20 and 10 of major axis or the

major axis

10 and 20 on axle sleeve consist of that clamping is spacing to be cooperated, as shown in Figure 1.

For sake of convenience, this end of its front line direction when carrying out perforation procedure of sentencing on the major axis 10 is its head end, and the corresponding other end is its tail end, specifically is described below:

As further preferred version of the present utility model, shown in Fig. 1-2, described major axis 10 profiles are the smooth shaft shape, comprise the frustum section 11 that is positioned at its tail end and the flat segments 12 that on frustum section 11 small end faces, postpones and arrange along its axis to its head end, described axle sleeve 20 tail ends offer the flared section 21 with frustum section 11 cone match, and frustum section 11 cooperates the limiting section that consists of both position relationships of restriction with 21 of flared section.In other words, 21 formations of this moment its frustum section 11 and flared section wedge surface mated condition.During actual the use, at first select corresponding axle sleeve 20 and major axis 10 sizes for corresponding to be measured or to be processed endoporus, can carry out perforation procedure after both covers are installed; In major axis 10 traveling process, because 20 on the frustum section 11 on the major axis 10 and axle sleeve consist of the gear mated condition, therefore both are achieved the synchronous interaction action, thereby need not repeatedly to its righting operation that resets, and detecting or welding when complete, its above-mentioned limiting section structure has been guaranteed again the one direction separability of 20 on major axis 10 and axle sleeve, finally makes its whole assembling and unloading process efficient and convenient, and location and production efficiency are high.

For the concrete shape of its axle sleeve 20, the utility model proposes following both implementations:

One is: shown in Fig. 1-5, major axis 10 tail ends arrange cannula portion 30, described cannula portion 30 profiles are the taper type tubulose, axle sleeve 20 profiles are the straight connector shape, its flared section 21 is two and offers in its both ends symmetry, consist of shiny surface between flat segments 12 outer walls of cannula portion 30 tube chambers and major axis 10 and fit, 21 formation faces of its taper outer wall and corresponding flared section support and close spacing the cooperation.Another kind of mode then is: major axis 10 tail ends arrange cannula portion 30, described cannula portion 30 profiles are the frustum section 11 small end positioned opposite on taper type tubulose and its small end and the major axis 10, axle sleeve 20 comprises the first axle sleeve 20a that cooperates with frustum section 11 and the second axle sleeve 20b that is positioned at major axis 10 head end places, the formation face is to closing spacing the cooperation between the upper corresponding expansion mouth of offering of described the second axle sleeve 20b, cannula portion 30 taper outer walls and its expansion mouth.

In the said structure, the quality of fit at flat segments 12 places should guarantee on cannula portion 30 and the major axis 10, and a place as shown in Figure 2 is it and cooperates section, and the conical surface place precision of frustum section 11 and cannula portion 30 also should be considered on its major axis 10; In fact, axle sleeve 20 itself exists split type and the integral type implementation, the above-mentioned concrete mated condition that namely is respectively 30 of its two kinds of implementations and major axis 10 and cannula portion, and no matter be above-mentioned which kind of state, the similar necking down tubular-shaped structures of axle sleeve 20 i.e. whole formations this moment own, thereby the frustum section 11 on the dependence major axis 10 and the in opposite directions application of force of cannula portion 30 finally guarantee its integrally-built compactedness and stability.State in the use after the structure, rely on the relative pressing of cannula portion 30 and frustum section 11, force axle sleeve 20 when processing and detection, to be in all the time constant position.Also can be as shown in Figure 6 during actual the use, offer peristome 22 at axle sleeve 20, its peristome 22 runs through layout along axle sleeve 20 generatrix directions, also namely goes out breach along its bus Manufacture by line cutting on axle sleeve 20, thereby makes axle sleeve 20 itself be in open state and self-assembling formation tension elastomeric cover; When needs are adjusted workpiece two endoporus axiality with it, because it has resiliency characteristics, after the welding work pieces endoporus is processed first and is put in place, it is required even the size accuracy of axle sleeve 20 own can't satisfy, still can rely on the conical taper of recycling major axis 10 and the elastic force expansion characteristics of axle sleeve 20, guarantee that workpiece two endoporus are coaxial to greatest extent, use above-mentioned characteristic, thereby the machining accuracy of reduction axle sleeve 20 outer surfaces that can be suitable is manufactured cost thereby reduce it; The utility model fixation is reliable, can realize that the workpiece postwelding is indeformable, thereby guaranteed the axiality of workpiece, it not only can be applicable in the detection field, simultaneously because its structural compactedness, even be subject to such as larger stress such as workpiece post welding distortions, it still can reliable and stable work and satisfies its actual user demand, so it also can be applicable to as in the weldment manufacture fields such as location before the workpiece weldering and in the weldering.

Further, for

guarantee cannula portion

30 and 10 of major axis to cooperate intensity to satisfy required, avoid it presenting the slip shift phenomenon under effect of stress greatly; Shown in Fig. 1-2, postpone forward and be provided with thread segment 13 in flat segments 12 front portions on the major axis 10, described axiality frock also comprises

stop nut

40, and 13 of described stop nut 40 and thread segments consist of threaded engagement, and formation compresses and cooperates between stop nut 40 inner end sections and cannula portion 30 large ends; Certainly, when reality is used, also can shown in Figure 1ly be folded with cushion block 50 at its

stop nut

40 and 30 of cannula portion such as it.Like this, after 20 perforation of major axis 10 and axle sleeve are finished, in the sheathed cannula portion 30 of its other end, and rely on stop nut 40 to impose on its buffer brake, because axle sleeve 20 own is the tension force cover, this moment, axle sleeve 20 beginnings were expanded under cannula portion 30 and the pressure force effect of frustum section 11 to it, and compressed to be measured or the workpiece to be processed endoporus, thereby guaranteed the axiality demand between two endoporus on it; In the said structure, cooperate stable between each parts, so long as not the artificial disassembling section of carrying out, it is required that its overall structure performance can satisfy processing work all the time, so use reliable and stable, assembling and dismounting are also extremely convenient, and its efficient, stability and operability are explained aobvious higher than traditional frock.

Further, consider the volume of its processing object, must unlike common screw connects, can arbitrarily be screwed into the operation of back-outing; Therefore, as shown in Figure 1, described major axis 10 all has boss portion 14 along its axis evagination at its both ends.That is to say that this moment, its boss portion 14 was formed at position, two places, a place is that the frustum section 11 large end face places of major axis 10 tail ends form along its axis evagination, another kind then for its thread segment 13 along its axis formation that outwards postpones.Like this, on the one hand, before processing or add man-hour, by beaing the boss portion 14 that is positioned at frustum section 11 large end face places and tightening stop nut 40 both direction effects, make axle sleeve 20 spreadings and be close to inner hole of workpiece, thereby realize its whole perforation installation, guaranteed the axiality of workpiece; On the other hand, after machining, in the time of need carrying out the frock disassembling section, unscrew first stop nut 40, beat again the boss portion 14 that is positioned at thread segment 13 places, thus make its major axis 10 whole counteragents and and 20 on axle sleeve produce loosening, thereby avoid can't dismantling problem because 20 on major axis 10 and axle sleeve cooperate too tight the generation, again by constantly knocking this boss portion 14, final major axis 10 comes off and realizes its disassembling section afterwards.

For further guaranteeing its structural stability, also can add support tube 60 being positioned between workpiece two endoporus of axle sleeve 20 outer walls, specifically as shown in Figure 1, support tube 60 profiles are sleeve-shaped and its length with to be measured or workpiece to be processed two interior pitchs of holes are consistent, support tube 60 internal diameters are greater than axle sleeve 20 external diameter settings, thereby guarantee that workpiece to be processed two endoporus plate face of living in is unlikely to produce the crooked phenomenon of bursting apart under the combined force of cannula portion 30 and frustum section 11, guarantee its functional reliability.The utility model bulk handling is convenient, and is reusable, and cost is low and use reliably, and market prospects are wide.

Claims

1. weldment axiality frock, it is characterized in that: comprise major axis (10) and be sheathed on the axle sleeve (20) that being used on the major axis (10) cooperates with an endoporus to be measured or to be processed, be provided with limiting section on described major axis (10) and/or the axle sleeve (20), consist of between described two limiting sections or between the limiting section on the axle sleeve (20) and major axis (10) or between the limiting section on the major axis (10) and axle sleeve (20) that clamping is spacing to be cooperated.

2. axiality frock according to claim 1, it is characterized in that: described major axis (10) profile is the smooth shaft shape, comprise the frustum section (11) that is positioned at its tail end and the flat segments (12) that on frustum section (11) small end face, postpones and arrange along its axis to its head end, described axle sleeve (20) tail end offers the flared section (21) with frustum section (11) cone match, cooperates between frustum section (11) and flared section (21) to consist of the limiting section that limits both position relationships.

3. axiality frock according to claim 2, it is characterized in that: major axis (10) tail end arranges cannula portion (30), described cannula portion (30) profile is the taper type tubulose, axle sleeve (20) profile is the straight connector shape, its flared section (21) is two and offers in its both ends symmetry, consist of shiny surface between flat segments (12) outer wall of cannula portion (30) tube chamber and major axis (10) and fit, the formation face is to closing spacing the cooperation between its taper outer wall and corresponding flared section (21).

4. axiality frock according to claim 2, it is characterized in that: major axis (10) tail end arranges cannula portion (30), described cannula portion (30) profile is frustum section (11) the small end positioned opposite on taper type tubulose and its small end and the major axis (10), axle sleeve (20) comprises the first axle sleeve (20a) that cooperates with frustum section (11) and the second axle sleeve (20b) that is positioned at major axis (10) head end place, the formation face is to closing spacing the cooperation between the upper corresponding expansion mouth of offering of described the second axle sleeve (20b), cannula portion (30) taper outer wall and its expansion mouth.

5. according to claim 3 or 4 described axiality frocks, it is characterized in that: postpone forward and be provided with thread segment (13) in flat segments (12) front portion on the major axis (10), described axiality frock also comprises stop nut (40), consist of threaded engagement between described stop nut (40) and thread segment (13), formation compressed and cooperates between stop nut (40) inner end section held with cannula portion (30) is large.

6. axiality frock according to claim 5, it is characterized in that: offer peristome (22) on the axle sleeve (20), its peristome (22) runs through layout along axle sleeve (20) generatrix direction.

7. axiality frock according to claim 5 is characterized in that: be folded with cushion block (50) between stop nut (40) and cannula portion (30).

8. axiality frock according to claim 1, it is characterized in that: described major axis (10) all has boss portion (14) along its axis evagination at its both ends.

9. axiality frock according to claim 5, it is characterized in that: described axiality frock also comprises support tube (60), support tube (60) profile is sleeve-shaped and its length with to be measured or workpiece to be processed two interior pitchs of holes are consistent, and support tube (60) internal diameter is greater than axle sleeve (20) external diameter setting.